diff options
Diffstat (limited to 'drivers/net/ethernet/intel/iavf')
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf.h | 48 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_adminq.c | 62 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_adminq.h | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_adminq_cmd.h | 83 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_common.c | 110 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 83 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_main.c | 609 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_prototype.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_ptp.c | 485 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_ptp.h | 47 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_trace.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_txrx.c | 450 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_txrx.h | 66 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_type.h | 273 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_types.h | 34 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_virtchnl.c | 255 |
17 files changed, 1756 insertions, 872 deletions
diff --git a/drivers/net/ethernet/intel/iavf/Makefile b/drivers/net/ethernet/intel/iavf/Makefile index 356ac9faa5bf..e13720a728ff 100644 --- a/drivers/net/ethernet/intel/iavf/Makefile +++ b/drivers/net/ethernet/intel/iavf/Makefile @@ -13,3 +13,5 @@ obj-$(CONFIG_IAVF) += iavf.o iavf-y := iavf_main.o iavf_ethtool.o iavf_virtchnl.o iavf_fdir.o \ iavf_adv_rss.o iavf_txrx.o iavf_common.o iavf_adminq.o + +iavf-$(CONFIG_PTP_1588_CLOCK) += iavf_ptp.o diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index 532a0a595fe8..a87e0c6d4017 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -41,6 +41,7 @@ #include "iavf_txrx.h" #include "iavf_fdir.h" #include "iavf_adv_rss.h" +#include "iavf_types.h" #include <linux/bitmap.h> #define DEFAULT_DEBUG_LEVEL_SHIFT 3 @@ -82,7 +83,7 @@ struct iavf_vsi { #define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) -#define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i])) +#define IAVF_RX_DESC(R, i) (&(((struct iavf_rx_desc *)((R)->desc))[i])) #define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i])) #define IAVF_TX_CTXTDESC(R, i) \ (&(((struct iavf_tx_context_desc *)((R)->desc))[i])) @@ -113,8 +114,6 @@ struct iavf_q_vector { u16 reg_idx; /* register index of the interrupt */ char name[IFNAMSIZ + 15]; bool arm_wb_state; - cpumask_t affinity_mask; - struct irq_affinity_notify affinity_notify; }; /* Helper macros to switch between ints/sec and what the register uses. @@ -267,10 +266,10 @@ struct iavf_adapter { struct list_head vlan_filter_list; int num_vlan_filters; struct list_head mac_filter_list; - struct mutex crit_lock; /* Lock to protect accesses to MAC and VLAN lists */ spinlock_t mac_vlan_list_lock; char misc_vector_name[IFNAMSIZ + 9]; + u8 rxdid; int num_active_queues; int num_req_queues; @@ -314,8 +313,8 @@ struct iavf_adapter { #define IAVF_FLAG_AQ_CONFIGURE_RSS BIT_ULL(9) /* direct AQ config */ #define IAVF_FLAG_AQ_GET_CONFIG BIT_ULL(10) /* Newer style, RSS done by the PF so we can ignore hardware vagaries. */ -#define IAVF_FLAG_AQ_GET_HENA BIT_ULL(11) -#define IAVF_FLAG_AQ_SET_HENA BIT_ULL(12) +#define IAVF_FLAG_AQ_GET_RSS_HASHCFG BIT_ULL(11) +#define IAVF_FLAG_AQ_SET_RSS_HASHCFG BIT_ULL(12) #define IAVF_FLAG_AQ_SET_RSS_KEY BIT_ULL(13) #define IAVF_FLAG_AQ_SET_RSS_LUT BIT_ULL(14) #define IAVF_FLAG_AQ_SET_RSS_HFUNC BIT_ULL(15) @@ -343,6 +342,17 @@ struct iavf_adapter { #define IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW BIT_ULL(39) #define IAVF_FLAG_AQ_CFG_QUEUES_QUANTA_SIZE BIT_ULL(40) #define IAVF_FLAG_AQ_GET_QOS_CAPS BIT_ULL(41) +#define IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS BIT_ULL(42) +#define IAVF_FLAG_AQ_GET_PTP_CAPS BIT_ULL(43) +#define IAVF_FLAG_AQ_SEND_PTP_CMD BIT_ULL(44) + + /* AQ messages that must be sent after IAVF_FLAG_AQ_GET_CONFIG, in + * order to negotiated extended capabilities. + */ +#define IAVF_FLAG_AQ_EXTENDED_CAPS \ + (IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS | \ + IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS | \ + IAVF_FLAG_AQ_GET_PTP_CAPS) /* flags for processing extended capability messages during * __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires @@ -354,10 +364,18 @@ struct iavf_adapter { u64 extended_caps; #define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT_ULL(0) #define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT_ULL(1) +#define IAVF_EXTENDED_CAP_SEND_RXDID BIT_ULL(2) +#define IAVF_EXTENDED_CAP_RECV_RXDID BIT_ULL(3) +#define IAVF_EXTENDED_CAP_SEND_PTP BIT_ULL(4) +#define IAVF_EXTENDED_CAP_RECV_PTP BIT_ULL(5) #define IAVF_EXTENDED_CAPS \ (IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \ - IAVF_EXTENDED_CAP_RECV_VLAN_V2) + IAVF_EXTENDED_CAP_RECV_VLAN_V2 | \ + IAVF_EXTENDED_CAP_SEND_RXDID | \ + IAVF_EXTENDED_CAP_RECV_RXDID | \ + IAVF_EXTENDED_CAP_SEND_PTP | \ + IAVF_EXTENDED_CAP_RECV_PTP) /* Lock to prevent possible clobbering of * current_netdev_promisc_flags @@ -417,12 +435,18 @@ struct iavf_adapter { VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) #define QOS_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ VIRTCHNL_VF_OFFLOAD_QOS) +#define IAVF_RXDID_ALLOWED(a) \ + ((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) +#define IAVF_PTP_ALLOWED(a) \ + ((a)->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_PTP) struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ struct virtchnl_version_info pf_version; #define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \ ((_a)->pf_version.minor == 1)) struct virtchnl_vlan_caps vlan_v2_caps; + u64 supp_rxdids; + struct iavf_ptp ptp; u16 msg_enable; struct iavf_eth_stats current_stats; struct virtchnl_qos_cap_list *qos_caps; @@ -430,7 +454,7 @@ struct iavf_adapter { u32 aq_wait_count; /* RSS stuff */ enum virtchnl_rss_algorithm hfunc; - u64 hena; + u64 rss_hashcfg; u16 rss_key_size; u16 rss_lut_size; u8 *rss_key; @@ -555,6 +579,10 @@ int iavf_send_vf_config_msg(struct iavf_adapter *adapter); int iavf_get_vf_config(struct iavf_adapter *adapter); int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter); int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter); +int iavf_send_vf_supported_rxdids_msg(struct iavf_adapter *adapter); +int iavf_get_vf_supported_rxdids(struct iavf_adapter *adapter); +int iavf_send_vf_ptp_caps_msg(struct iavf_adapter *adapter); +int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter); void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter); u16 iavf_get_num_vlans_added(struct iavf_adapter *adapter); void iavf_irq_enable(struct iavf_adapter *adapter, bool flush); @@ -570,8 +598,8 @@ void iavf_set_promiscuous(struct iavf_adapter *adapter); bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter); void iavf_request_stats(struct iavf_adapter *adapter); int iavf_request_reset(struct iavf_adapter *adapter); -void iavf_get_hena(struct iavf_adapter *adapter); -void iavf_set_hena(struct iavf_adapter *adapter); +void iavf_get_rss_hashcfg(struct iavf_adapter *adapter); +void iavf_set_rss_hashcfg(struct iavf_adapter *adapter); void iavf_set_rss_key(struct iavf_adapter *adapter); void iavf_set_rss_lut(struct iavf_adapter *adapter); void iavf_set_rss_hfunc(struct iavf_adapter *adapter); diff --git a/drivers/net/ethernet/intel/iavf/iavf_adminq.c b/drivers/net/ethernet/intel/iavf/iavf_adminq.c index 82fcd18ad660..6937b7dd44cb 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_adminq.c +++ b/drivers/net/ethernet/intel/iavf/iavf_adminq.c @@ -18,7 +18,7 @@ static enum iavf_status iavf_alloc_adminq_asq_ring(struct iavf_hw *hw) ret_code = iavf_allocate_dma_mem(hw, &hw->aq.asq.desc_buf, iavf_mem_atq_ring, (hw->aq.num_asq_entries * - sizeof(struct iavf_aq_desc)), + sizeof(struct libie_aq_desc)), IAVF_ADMINQ_DESC_ALIGNMENT); if (ret_code) return ret_code; @@ -45,7 +45,7 @@ static enum iavf_status iavf_alloc_adminq_arq_ring(struct iavf_hw *hw) ret_code = iavf_allocate_dma_mem(hw, &hw->aq.arq.desc_buf, iavf_mem_arq_ring, (hw->aq.num_arq_entries * - sizeof(struct iavf_aq_desc)), + sizeof(struct libie_aq_desc)), IAVF_ADMINQ_DESC_ALIGNMENT); return ret_code; @@ -81,7 +81,7 @@ static void iavf_free_adminq_arq(struct iavf_hw *hw) **/ static enum iavf_status iavf_alloc_arq_bufs(struct iavf_hw *hw) { - struct iavf_aq_desc *desc; + struct libie_aq_desc *desc; struct iavf_dma_mem *bi; enum iavf_status ret_code; int i; @@ -111,9 +111,9 @@ static enum iavf_status iavf_alloc_arq_bufs(struct iavf_hw *hw) /* now configure the descriptors for use */ desc = IAVF_ADMINQ_DESC(hw->aq.arq, i); - desc->flags = cpu_to_le16(IAVF_AQ_FLAG_BUF); + desc->flags = cpu_to_le16(LIBIE_AQ_FLAG_BUF); if (hw->aq.arq_buf_size > IAVF_AQ_LARGE_BUF) - desc->flags |= cpu_to_le16(IAVF_AQ_FLAG_LB); + desc->flags |= cpu_to_le16(LIBIE_AQ_FLAG_LB); desc->opcode = 0; /* This is in accordance with Admin queue design, there is no * register for buffer size configuration @@ -122,12 +122,12 @@ static enum iavf_status iavf_alloc_arq_bufs(struct iavf_hw *hw) desc->retval = 0; desc->cookie_high = 0; desc->cookie_low = 0; - desc->params.external.addr_high = + desc->params.generic.addr_high = cpu_to_le32(upper_32_bits(bi->pa)); - desc->params.external.addr_low = + desc->params.generic.addr_low = cpu_to_le32(lower_32_bits(bi->pa)); - desc->params.external.param0 = 0; - desc->params.external.param1 = 0; + desc->params.generic.param0 = 0; + desc->params.generic.param1 = 0; } alloc_arq_bufs: @@ -558,8 +558,8 @@ static u16 iavf_clean_asq(struct iavf_hw *hw) struct iavf_adminq_ring *asq = &hw->aq.asq; struct iavf_asq_cmd_details *details; u16 ntc = asq->next_to_clean; - struct iavf_aq_desc desc_cb; - struct iavf_aq_desc *desc; + struct libie_aq_desc desc_cb; + struct libie_aq_desc *desc; desc = IAVF_ADMINQ_DESC(*asq, ntc); details = IAVF_ADMINQ_DETAILS(*asq, ntc); @@ -573,7 +573,7 @@ static u16 iavf_clean_asq(struct iavf_hw *hw) desc_cb = *desc; cb_func(hw, &desc_cb); } - memset((void *)desc, 0, sizeof(struct iavf_aq_desc)); + memset((void *)desc, 0, sizeof(struct libie_aq_desc)); memset((void *)details, 0, sizeof(struct iavf_asq_cmd_details)); ntc++; @@ -615,14 +615,14 @@ bool iavf_asq_done(struct iavf_hw *hw) * queue. It runs the queue, cleans the queue, etc **/ enum iavf_status iavf_asq_send_command(struct iavf_hw *hw, - struct iavf_aq_desc *desc, + struct libie_aq_desc *desc, void *buff, /* can be NULL */ u16 buff_size, struct iavf_asq_cmd_details *cmd_details) { struct iavf_dma_mem *dma_buff = NULL; struct iavf_asq_cmd_details *details; - struct iavf_aq_desc *desc_on_ring; + struct libie_aq_desc *desc_on_ring; bool cmd_completed = false; enum iavf_status status = 0; u16 retval = 0; @@ -637,7 +637,7 @@ enum iavf_status iavf_asq_send_command(struct iavf_hw *hw, goto asq_send_command_error; } - hw->aq.asq_last_status = IAVF_AQ_RC_OK; + hw->aq.asq_last_status = LIBIE_AQ_RC_OK; val = rd32(hw, IAVF_VF_ATQH1); if (val >= hw->aq.num_asq_entries) { @@ -717,9 +717,9 @@ enum iavf_status iavf_asq_send_command(struct iavf_hw *hw, /* Update the address values in the desc with the pa value * for respective buffer */ - desc_on_ring->params.external.addr_high = + desc_on_ring->params.generic.addr_high = cpu_to_le32(upper_32_bits(dma_buff->pa)); - desc_on_ring->params.external.addr_low = + desc_on_ring->params.generic.addr_low = cpu_to_le32(lower_32_bits(dma_buff->pa)); } @@ -766,13 +766,13 @@ enum iavf_status iavf_asq_send_command(struct iavf_hw *hw, retval &= 0xff; } cmd_completed = true; - if ((enum iavf_admin_queue_err)retval == IAVF_AQ_RC_OK) + if ((enum libie_aq_err)retval == LIBIE_AQ_RC_OK) status = 0; - else if ((enum iavf_admin_queue_err)retval == IAVF_AQ_RC_EBUSY) + else if ((enum libie_aq_err)retval == LIBIE_AQ_RC_EBUSY) status = IAVF_ERR_NOT_READY; else status = IAVF_ERR_ADMIN_QUEUE_ERROR; - hw->aq.asq_last_status = (enum iavf_admin_queue_err)retval; + hw->aq.asq_last_status = (enum libie_aq_err)retval; } iavf_debug(hw, IAVF_DEBUG_AQ_MESSAGE, @@ -809,12 +809,12 @@ asq_send_command_error: * * Fill the desc with default values **/ -void iavf_fill_default_direct_cmd_desc(struct iavf_aq_desc *desc, u16 opcode) +void iavf_fill_default_direct_cmd_desc(struct libie_aq_desc *desc, u16 opcode) { /* zero out the desc */ - memset((void *)desc, 0, sizeof(struct iavf_aq_desc)); + memset((void *)desc, 0, sizeof(struct libie_aq_desc)); desc->opcode = cpu_to_le16(opcode); - desc->flags = cpu_to_le16(IAVF_AQ_FLAG_SI); + desc->flags = cpu_to_le16(LIBIE_AQ_FLAG_SI); } /** @@ -832,7 +832,7 @@ enum iavf_status iavf_clean_arq_element(struct iavf_hw *hw, u16 *pending) { u16 ntc = hw->aq.arq.next_to_clean; - struct iavf_aq_desc *desc; + struct libie_aq_desc *desc; enum iavf_status ret_code = 0; struct iavf_dma_mem *bi; u16 desc_idx; @@ -866,9 +866,9 @@ enum iavf_status iavf_clean_arq_element(struct iavf_hw *hw, desc_idx = ntc; hw->aq.arq_last_status = - (enum iavf_admin_queue_err)le16_to_cpu(desc->retval); + (enum libie_aq_err)le16_to_cpu(desc->retval); flags = le16_to_cpu(desc->flags); - if (flags & IAVF_AQ_FLAG_ERR) { + if (flags & LIBIE_AQ_FLAG_ERR) { ret_code = IAVF_ERR_ADMIN_QUEUE_ERROR; iavf_debug(hw, IAVF_DEBUG_AQ_MESSAGE, @@ -892,14 +892,14 @@ enum iavf_status iavf_clean_arq_element(struct iavf_hw *hw, * size */ bi = &hw->aq.arq.r.arq_bi[ntc]; - memset((void *)desc, 0, sizeof(struct iavf_aq_desc)); + memset((void *)desc, 0, sizeof(struct libie_aq_desc)); - desc->flags = cpu_to_le16(IAVF_AQ_FLAG_BUF); + desc->flags = cpu_to_le16(LIBIE_AQ_FLAG_BUF); if (hw->aq.arq_buf_size > IAVF_AQ_LARGE_BUF) - desc->flags |= cpu_to_le16(IAVF_AQ_FLAG_LB); + desc->flags |= cpu_to_le16(LIBIE_AQ_FLAG_LB); desc->datalen = cpu_to_le16((u16)bi->size); - desc->params.external.addr_high = cpu_to_le32(upper_32_bits(bi->pa)); - desc->params.external.addr_low = cpu_to_le32(lower_32_bits(bi->pa)); + desc->params.generic.addr_high = cpu_to_le32(upper_32_bits(bi->pa)); + desc->params.generic.addr_low = cpu_to_le32(lower_32_bits(bi->pa)); /* set tail = the last cleaned desc index. */ wr32(hw, IAVF_VF_ARQT1, ntc); diff --git a/drivers/net/ethernet/intel/iavf/iavf_adminq.h b/drivers/net/ethernet/intel/iavf/iavf_adminq.h index 406506f64bdd..bbf5c4b3a2ae 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_adminq.h +++ b/drivers/net/ethernet/intel/iavf/iavf_adminq.h @@ -9,7 +9,7 @@ #include "iavf_adminq_cmd.h" #define IAVF_ADMINQ_DESC(R, i) \ - (&(((struct iavf_aq_desc *)((R).desc_buf.va))[i])) + (&(((struct libie_aq_desc *)((R).desc_buf.va))[i])) #define IAVF_ADMINQ_DESC_ALIGNMENT 4096 @@ -39,7 +39,7 @@ struct iavf_asq_cmd_details { u16 flags_dis; bool async; bool postpone; - struct iavf_aq_desc *wb_desc; + struct libie_aq_desc *wb_desc; }; #define IAVF_ADMINQ_DETAILS(R, i) \ @@ -47,7 +47,7 @@ struct iavf_asq_cmd_details { /* ARQ event information */ struct iavf_arq_event_info { - struct iavf_aq_desc desc; + struct libie_aq_desc desc; u16 msg_len; u16 buf_len; u8 *msg_buf; @@ -72,8 +72,8 @@ struct iavf_adminq_info { struct mutex arq_mutex; /* Receive queue lock */ /* last status values on send and receive queues */ - enum iavf_admin_queue_err asq_last_status; - enum iavf_admin_queue_err arq_last_status; + enum libie_aq_err asq_last_status; + enum libie_aq_err arq_last_status; }; /** @@ -123,6 +123,6 @@ static inline int iavf_aq_rc_to_posix(int aq_ret, int aq_rc) #define IAVF_AQ_LARGE_BUF 512 #define IAVF_ASQ_CMD_TIMEOUT 250000 /* usecs */ -void iavf_fill_default_direct_cmd_desc(struct iavf_aq_desc *desc, u16 opcode); +void iavf_fill_default_direct_cmd_desc(struct libie_aq_desc *desc, u16 opcode); #endif /* _IAVF_ADMINQ_H_ */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_adminq_cmd.h b/drivers/net/ethernet/intel/iavf/iavf_adminq_cmd.h index bc512308557b..0482c9ce9b9c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_adminq_cmd.h +++ b/drivers/net/ethernet/intel/iavf/iavf_adminq_cmd.h @@ -4,6 +4,8 @@ #ifndef _IAVF_ADMINQ_CMD_H_ #define _IAVF_ADMINQ_CMD_H_ +#include <linux/net/intel/libie/adminq.h> + /* This header file defines the iavf Admin Queue commands and is shared between * iavf Firmware and Software. * @@ -21,87 +23,6 @@ /* API version 1.7 implements additional link and PHY-specific APIs */ #define IAVF_MINOR_VER_GET_LINK_INFO_XL710 0x0007 -struct iavf_aq_desc { - __le16 flags; - __le16 opcode; - __le16 datalen; - __le16 retval; - __le32 cookie_high; - __le32 cookie_low; - union { - struct { - __le32 param0; - __le32 param1; - __le32 param2; - __le32 param3; - } internal; - struct { - __le32 param0; - __le32 param1; - __le32 addr_high; - __le32 addr_low; - } external; - u8 raw[16]; - } params; -}; - -/* Flags sub-structure - * |0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 | - * |DD |CMP|ERR|VFE| * * RESERVED * * |LB |RD |VFC|BUF|SI |EI |FE | - */ - -/* command flags and offsets*/ -#define IAVF_AQ_FLAG_DD_SHIFT 0 -#define IAVF_AQ_FLAG_CMP_SHIFT 1 -#define IAVF_AQ_FLAG_ERR_SHIFT 2 -#define IAVF_AQ_FLAG_VFE_SHIFT 3 -#define IAVF_AQ_FLAG_LB_SHIFT 9 -#define IAVF_AQ_FLAG_RD_SHIFT 10 -#define IAVF_AQ_FLAG_VFC_SHIFT 11 -#define IAVF_AQ_FLAG_BUF_SHIFT 12 -#define IAVF_AQ_FLAG_SI_SHIFT 13 -#define IAVF_AQ_FLAG_EI_SHIFT 14 -#define IAVF_AQ_FLAG_FE_SHIFT 15 - -#define IAVF_AQ_FLAG_DD BIT(IAVF_AQ_FLAG_DD_SHIFT) /* 0x1 */ -#define IAVF_AQ_FLAG_CMP BIT(IAVF_AQ_FLAG_CMP_SHIFT) /* 0x2 */ -#define IAVF_AQ_FLAG_ERR BIT(IAVF_AQ_FLAG_ERR_SHIFT) /* 0x4 */ -#define IAVF_AQ_FLAG_VFE BIT(IAVF_AQ_FLAG_VFE_SHIFT) /* 0x8 */ -#define IAVF_AQ_FLAG_LB BIT(IAVF_AQ_FLAG_LB_SHIFT) /* 0x200 */ -#define IAVF_AQ_FLAG_RD BIT(IAVF_AQ_FLAG_RD_SHIFT) /* 0x400 */ -#define IAVF_AQ_FLAG_VFC BIT(IAVF_AQ_FLAG_VFC_SHIFT) /* 0x800 */ -#define IAVF_AQ_FLAG_BUF BIT(IAVF_AQ_FLAG_BUF_SHIFT) /* 0x1000 */ -#define IAVF_AQ_FLAG_SI BIT(IAVF_AQ_FLAG_SI_SHIFT) /* 0x2000 */ -#define IAVF_AQ_FLAG_EI BIT(IAVF_AQ_FLAG_EI_SHIFT) /* 0x4000 */ -#define IAVF_AQ_FLAG_FE BIT(IAVF_AQ_FLAG_FE_SHIFT) /* 0x8000 */ - -/* error codes */ -enum iavf_admin_queue_err { - IAVF_AQ_RC_OK = 0, /* success */ - IAVF_AQ_RC_EPERM = 1, /* Operation not permitted */ - IAVF_AQ_RC_ENOENT = 2, /* No such element */ - IAVF_AQ_RC_ESRCH = 3, /* Bad opcode */ - IAVF_AQ_RC_EINTR = 4, /* operation interrupted */ - IAVF_AQ_RC_EIO = 5, /* I/O error */ - IAVF_AQ_RC_ENXIO = 6, /* No such resource */ - IAVF_AQ_RC_E2BIG = 7, /* Arg too long */ - IAVF_AQ_RC_EAGAIN = 8, /* Try again */ - IAVF_AQ_RC_ENOMEM = 9, /* Out of memory */ - IAVF_AQ_RC_EACCES = 10, /* Permission denied */ - IAVF_AQ_RC_EFAULT = 11, /* Bad address */ - IAVF_AQ_RC_EBUSY = 12, /* Device or resource busy */ - IAVF_AQ_RC_EEXIST = 13, /* object already exists */ - IAVF_AQ_RC_EINVAL = 14, /* Invalid argument */ - IAVF_AQ_RC_ENOTTY = 15, /* Not a typewriter */ - IAVF_AQ_RC_ENOSPC = 16, /* No space left or alloc failure */ - IAVF_AQ_RC_ENOSYS = 17, /* Function not implemented */ - IAVF_AQ_RC_ERANGE = 18, /* Parameter out of range */ - IAVF_AQ_RC_EFLUSHED = 19, /* Cmd flushed due to prev cmd error */ - IAVF_AQ_RC_BAD_ADDR = 20, /* Descriptor contains a bad pointer */ - IAVF_AQ_RC_EMODE = 21, /* Op not allowed in current dev mode */ - IAVF_AQ_RC_EFBIG = 22, /* File too large */ -}; - /* Admin Queue command opcodes */ enum iavf_admin_queue_opc { /* aq commands */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_common.c b/drivers/net/ethernet/intel/iavf/iavf_common.c index aa751ce3425b..614a886bca99 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_common.c +++ b/drivers/net/ethernet/intel/iavf/iavf_common.c @@ -8,66 +8,6 @@ #include "iavf_prototype.h" /** - * iavf_aq_str - convert AQ err code to a string - * @hw: pointer to the HW structure - * @aq_err: the AQ error code to convert - **/ -const char *iavf_aq_str(struct iavf_hw *hw, enum iavf_admin_queue_err aq_err) -{ - switch (aq_err) { - case IAVF_AQ_RC_OK: - return "OK"; - case IAVF_AQ_RC_EPERM: - return "IAVF_AQ_RC_EPERM"; - case IAVF_AQ_RC_ENOENT: - return "IAVF_AQ_RC_ENOENT"; - case IAVF_AQ_RC_ESRCH: - return "IAVF_AQ_RC_ESRCH"; - case IAVF_AQ_RC_EINTR: - return "IAVF_AQ_RC_EINTR"; - case IAVF_AQ_RC_EIO: - return "IAVF_AQ_RC_EIO"; - case IAVF_AQ_RC_ENXIO: - return "IAVF_AQ_RC_ENXIO"; - case IAVF_AQ_RC_E2BIG: - return "IAVF_AQ_RC_E2BIG"; - case IAVF_AQ_RC_EAGAIN: - return "IAVF_AQ_RC_EAGAIN"; - case IAVF_AQ_RC_ENOMEM: - return "IAVF_AQ_RC_ENOMEM"; - case IAVF_AQ_RC_EACCES: - return "IAVF_AQ_RC_EACCES"; - case IAVF_AQ_RC_EFAULT: - return "IAVF_AQ_RC_EFAULT"; - case IAVF_AQ_RC_EBUSY: - return "IAVF_AQ_RC_EBUSY"; - case IAVF_AQ_RC_EEXIST: - return "IAVF_AQ_RC_EEXIST"; - case IAVF_AQ_RC_EINVAL: - return "IAVF_AQ_RC_EINVAL"; - case IAVF_AQ_RC_ENOTTY: - return "IAVF_AQ_RC_ENOTTY"; - case IAVF_AQ_RC_ENOSPC: - return "IAVF_AQ_RC_ENOSPC"; - case IAVF_AQ_RC_ENOSYS: - return "IAVF_AQ_RC_ENOSYS"; - case IAVF_AQ_RC_ERANGE: - return "IAVF_AQ_RC_ERANGE"; - case IAVF_AQ_RC_EFLUSHED: - return "IAVF_AQ_RC_EFLUSHED"; - case IAVF_AQ_RC_BAD_ADDR: - return "IAVF_AQ_RC_BAD_ADDR"; - case IAVF_AQ_RC_EMODE: - return "IAVF_AQ_RC_EMODE"; - case IAVF_AQ_RC_EFBIG: - return "IAVF_AQ_RC_EFBIG"; - } - - snprintf(hw->err_str, sizeof(hw->err_str), "%d", aq_err); - return hw->err_str; -} - -/** * iavf_stat_str - convert status err code to a string * @hw: pointer to the HW structure * @stat_err: the status error code to convert @@ -228,7 +168,7 @@ const char *iavf_stat_str(struct iavf_hw *hw, enum iavf_status stat_err) void iavf_debug_aq(struct iavf_hw *hw, enum iavf_debug_mask mask, void *desc, void *buffer, u16 buf_len) { - struct iavf_aq_desc *aq_desc = (struct iavf_aq_desc *)desc; + struct libie_aq_desc *aq_desc = (struct libie_aq_desc *)desc; u8 *buf = (u8 *)buffer; if ((!(mask & hw->debug_mask)) || !desc) @@ -244,11 +184,11 @@ void iavf_debug_aq(struct iavf_hw *hw, enum iavf_debug_mask mask, void *desc, le32_to_cpu(aq_desc->cookie_high), le32_to_cpu(aq_desc->cookie_low)); iavf_debug(hw, mask, "\tparam (0,1) 0x%08X 0x%08X\n", - le32_to_cpu(aq_desc->params.internal.param0), - le32_to_cpu(aq_desc->params.internal.param1)); + le32_to_cpu(aq_desc->params.generic.param0), + le32_to_cpu(aq_desc->params.generic.param1)); iavf_debug(hw, mask, "\taddr (h,l) 0x%08X 0x%08X\n", - le32_to_cpu(aq_desc->params.external.addr_high), - le32_to_cpu(aq_desc->params.external.addr_low)); + le32_to_cpu(aq_desc->params.generic.addr_high), + le32_to_cpu(aq_desc->params.generic.addr_low)); if (buffer && aq_desc->datalen) { u16 len = le16_to_cpu(aq_desc->datalen); @@ -297,11 +237,11 @@ bool iavf_check_asq_alive(struct iavf_hw *hw) **/ enum iavf_status iavf_aq_queue_shutdown(struct iavf_hw *hw, bool unloading) { - struct iavf_aq_desc desc; - struct iavf_aqc_queue_shutdown *cmd = - (struct iavf_aqc_queue_shutdown *)&desc.params.raw; + struct iavf_aqc_queue_shutdown *cmd; + struct libie_aq_desc desc; enum iavf_status status; + cmd = libie_aq_raw(&desc); iavf_fill_default_direct_cmd_desc(&desc, iavf_aqc_opc_queue_shutdown); if (unloading) @@ -327,12 +267,13 @@ static enum iavf_status iavf_aq_get_set_rss_lut(struct iavf_hw *hw, u8 *lut, u16 lut_size, bool set) { + struct iavf_aqc_get_set_rss_lut *cmd_resp; + struct libie_aq_desc desc; enum iavf_status status; - struct iavf_aq_desc desc; - struct iavf_aqc_get_set_rss_lut *cmd_resp = - (struct iavf_aqc_get_set_rss_lut *)&desc.params.raw; u16 flags; + cmd_resp = libie_aq_raw(&desc); + if (set) iavf_fill_default_direct_cmd_desc(&desc, iavf_aqc_opc_set_rss_lut); @@ -341,8 +282,8 @@ static enum iavf_status iavf_aq_get_set_rss_lut(struct iavf_hw *hw, iavf_aqc_opc_get_rss_lut); /* Indirect command */ - desc.flags |= cpu_to_le16((u16)IAVF_AQ_FLAG_BUF); - desc.flags |= cpu_to_le16((u16)IAVF_AQ_FLAG_RD); + desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_BUF); + desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_RD); vsi_id = FIELD_PREP(IAVF_AQC_SET_RSS_LUT_VSI_ID_MASK, vsi_id) | FIELD_PREP(IAVF_AQC_SET_RSS_LUT_VSI_VALID, 1); @@ -392,11 +333,12 @@ iavf_status iavf_aq_get_set_rss_key(struct iavf_hw *hw, u16 vsi_id, struct iavf_aqc_get_set_rss_key_data *key, bool set) { - enum iavf_status status; - struct iavf_aq_desc desc; - struct iavf_aqc_get_set_rss_key *cmd_resp = - (struct iavf_aqc_get_set_rss_key *)&desc.params.raw; u16 key_size = sizeof(struct iavf_aqc_get_set_rss_key_data); + struct iavf_aqc_get_set_rss_key *cmd_resp; + struct libie_aq_desc desc; + enum iavf_status status; + + cmd_resp = libie_aq_raw(&desc); if (set) iavf_fill_default_direct_cmd_desc(&desc, @@ -406,8 +348,8 @@ iavf_status iavf_aq_get_set_rss_key(struct iavf_hw *hw, u16 vsi_id, iavf_aqc_opc_get_rss_key); /* Indirect command */ - desc.flags |= cpu_to_le16((u16)IAVF_AQ_FLAG_BUF); - desc.flags |= cpu_to_le16((u16)IAVF_AQ_FLAG_RD); + desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_BUF); + desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_RD); vsi_id = FIELD_PREP(IAVF_AQC_SET_RSS_KEY_VSI_ID_MASK, vsi_id) | FIELD_PREP(IAVF_AQC_SET_RSS_KEY_VSI_VALID, 1); @@ -452,18 +394,18 @@ enum iavf_status iavf_aq_send_msg_to_pf(struct iavf_hw *hw, struct iavf_asq_cmd_details *cmd_details) { struct iavf_asq_cmd_details details; - struct iavf_aq_desc desc; + struct libie_aq_desc desc; enum iavf_status status; iavf_fill_default_direct_cmd_desc(&desc, iavf_aqc_opc_send_msg_to_pf); - desc.flags |= cpu_to_le16((u16)IAVF_AQ_FLAG_SI); + desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_SI); desc.cookie_high = cpu_to_le32(v_opcode); desc.cookie_low = cpu_to_le32(v_retval); if (msglen) { - desc.flags |= cpu_to_le16((u16)(IAVF_AQ_FLAG_BUF - | IAVF_AQ_FLAG_RD)); + desc.flags |= cpu_to_le16((u16)(LIBIE_AQ_FLAG_BUF + | LIBIE_AQ_FLAG_RD)); if (msglen > IAVF_AQ_LARGE_BUF) - desc.flags |= cpu_to_le16((u16)IAVF_AQ_FLAG_LB); + desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_LB); desc.datalen = cpu_to_le16(msglen); } if (!cmd_details) { diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 74a1e9fe1821..05d72be3fe80 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -4,6 +4,8 @@ #include <linux/bitfield.h> #include <linux/uaccess.h> +#include <net/netdev_lock.h> + /* ethtool support for iavf */ #include "iavf.h" @@ -1256,9 +1258,10 @@ static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx { struct ethtool_rx_flow_spec *fsp = &cmd->fs; struct iavf_fdir_fltr *fltr; - int count = 50; int err; + netdev_assert_locked(adapter->netdev); + if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED)) return -EOPNOTSUPP; @@ -1277,14 +1280,6 @@ static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx if (!fltr) return -ENOMEM; - while (!mutex_trylock(&adapter->crit_lock)) { - if (--count == 0) { - kfree(fltr); - return -EINVAL; - } - udelay(1); - } - err = iavf_add_fdir_fltr_info(adapter, fsp, fltr); if (!err) err = iavf_fdir_add_fltr(adapter, fltr); @@ -1292,7 +1287,6 @@ static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx if (err) kfree(fltr); - mutex_unlock(&adapter->crit_lock); return err; } @@ -1313,14 +1307,7 @@ static int iavf_del_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx return iavf_fdir_del_fltr(adapter, false, fsp->location); } -/** - * iavf_adv_rss_parse_hdrs - parses headers from RSS hash input - * @cmd: ethtool rxnfc command - * - * This function parses the rxnfc command and returns intended - * header types for RSS configuration - */ -static u32 iavf_adv_rss_parse_hdrs(struct ethtool_rxnfc *cmd) +static u32 iavf_adv_rss_parse_hdrs(const struct ethtool_rxfh_fields *cmd) { u32 hdrs = IAVF_ADV_RSS_FLOW_SEG_HDR_NONE; @@ -1356,15 +1343,8 @@ static u32 iavf_adv_rss_parse_hdrs(struct ethtool_rxnfc *cmd) return hdrs; } -/** - * iavf_adv_rss_parse_hash_flds - parses hash fields from RSS hash input - * @cmd: ethtool rxnfc command - * @symm: true if Symmetric Topelitz is set - * - * This function parses the rxnfc command and returns intended hash fields for - * RSS configuration - */ -static u64 iavf_adv_rss_parse_hash_flds(struct ethtool_rxnfc *cmd, bool symm) +static u64 +iavf_adv_rss_parse_hash_flds(const struct ethtool_rxfh_fields *cmd, bool symm) { u64 hfld = IAVF_ADV_RSS_HASH_INVALID; @@ -1422,24 +1402,21 @@ static u64 iavf_adv_rss_parse_hash_flds(struct ethtool_rxnfc *cmd, bool symm) return hfld; } -/** - * iavf_set_adv_rss_hash_opt - Enable/Disable flow types for RSS hash - * @adapter: pointer to the VF adapter structure - * @cmd: ethtool rxnfc command - * - * Returns Success if the flow input set is supported. - */ static int -iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, - struct ethtool_rxnfc *cmd) +iavf_set_rxfh_fields(struct net_device *netdev, + const struct ethtool_rxfh_fields *cmd, + struct netlink_ext_ack *extack) { + struct iavf_adapter *adapter = netdev_priv(netdev); struct iavf_adv_rss *rss_old, *rss_new; bool rss_new_add = false; - int count = 50, err = 0; bool symm = false; u64 hash_flds; + int err = 0; u32 hdrs; + netdev_assert_locked(adapter->netdev); + if (!ADV_RSS_SUPPORT(adapter)) return -EOPNOTSUPP; @@ -1463,15 +1440,6 @@ iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, return -EINVAL; } - while (!mutex_trylock(&adapter->crit_lock)) { - if (--count == 0) { - kfree(rss_new); - return -EINVAL; - } - - udelay(1); - } - spin_lock_bh(&adapter->adv_rss_lock); rss_old = iavf_find_adv_rss_cfg_by_hdrs(adapter, hdrs); if (rss_old) { @@ -1500,25 +1468,16 @@ iavf_set_adv_rss_hash_opt(struct iavf_adapter *adapter, if (!err) iavf_schedule_aq_request(adapter, IAVF_FLAG_AQ_ADD_ADV_RSS_CFG); - mutex_unlock(&adapter->crit_lock); - if (!rss_new_add) kfree(rss_new); return err; } -/** - * iavf_get_adv_rss_hash_opt - Retrieve hash fields for a given flow-type - * @adapter: pointer to the VF adapter structure - * @cmd: ethtool rxnfc command - * - * Returns Success if the flow input set is supported. - */ static int -iavf_get_adv_rss_hash_opt(struct iavf_adapter *adapter, - struct ethtool_rxnfc *cmd) +iavf_get_rxfh_fields(struct net_device *netdev, struct ethtool_rxfh_fields *cmd) { + struct iavf_adapter *adapter = netdev_priv(netdev); struct iavf_adv_rss *rss; u64 hash_flds; u32 hdrs; @@ -1583,9 +1542,6 @@ static int iavf_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) case ETHTOOL_SRXCLSRLDEL: ret = iavf_del_fdir_ethtool(adapter, cmd); break; - case ETHTOOL_SRXFH: - ret = iavf_set_adv_rss_hash_opt(adapter, cmd); - break; default: break; } @@ -1627,9 +1583,6 @@ static int iavf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, case ETHTOOL_GRXCLSRLALL: ret = iavf_get_fdir_fltr_ids(adapter, cmd, (u32 *)rule_locs); break; - case ETHTOOL_GRXFH: - ret = iavf_get_adv_rss_hash_opt(adapter, cmd); - break; default: break; } @@ -1808,7 +1761,7 @@ static int iavf_set_rxfh(struct net_device *netdev, static const struct ethtool_ops iavf_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_USE_ADAPTIVE, - .cap_rss_sym_xor_supported = true, + .supported_input_xfrm = RXH_XFRM_SYM_XOR, .get_drvinfo = iavf_get_drvinfo, .get_link = ethtool_op_get_link, .get_ringparam = iavf_get_ringparam, @@ -1827,6 +1780,8 @@ static const struct ethtool_ops iavf_ethtool_ops = { .get_rxfh_indir_size = iavf_get_rxfh_indir_size, .get_rxfh = iavf_get_rxfh, .set_rxfh = iavf_set_rxfh, + .get_rxfh_fields = iavf_get_rxfh_fields, + .set_rxfh_fields = iavf_set_rxfh_fields, .get_channels = iavf_get_channels, .set_channels = iavf_set_channels, .get_rxfh_key_size = iavf_get_rxfh_key_size, diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 2d7a18fcc3be..69054af4689a 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -2,8 +2,10 @@ /* Copyright(c) 2013 - 2018 Intel Corporation. */ #include <linux/net/intel/libie/rx.h> +#include <net/netdev_lock.h> #include "iavf.h" +#include "iavf_ptp.h" #include "iavf_prototype.h" /* All iavf tracepoints are defined by the include below, which must * be included exactly once across the whole kernel with @@ -48,6 +50,7 @@ MODULE_ALIAS("i40evf"); MODULE_DESCRIPTION("Intel(R) Ethernet Adaptive Virtual Function Network Driver"); MODULE_IMPORT_NS("LIBETH"); MODULE_IMPORT_NS("LIBIE"); +MODULE_IMPORT_NS("LIBIE_ADMINQ"); MODULE_LICENSE("GPL v2"); static const struct net_device_ops iavf_netdev_ops; @@ -526,33 +529,6 @@ static void iavf_map_rings_to_vectors(struct iavf_adapter *adapter) } /** - * iavf_irq_affinity_notify - Callback for affinity changes - * @notify: context as to what irq was changed - * @mask: the new affinity mask - * - * This is a callback function used by the irq_set_affinity_notifier function - * so that we may register to receive changes to the irq affinity masks. - **/ -static void iavf_irq_affinity_notify(struct irq_affinity_notify *notify, - const cpumask_t *mask) -{ - struct iavf_q_vector *q_vector = - container_of(notify, struct iavf_q_vector, affinity_notify); - - cpumask_copy(&q_vector->affinity_mask, mask); -} - -/** - * iavf_irq_affinity_release - Callback for affinity notifier release - * @ref: internal core kernel usage - * - * This is a callback function used by the irq_set_affinity_notifier function - * to inform the current notification subscriber that they will no longer - * receive notifications. - **/ -static void iavf_irq_affinity_release(struct kref *ref) {} - -/** * iavf_request_traffic_irqs - Initialize MSI-X interrupts * @adapter: board private structure * @basename: device basename @@ -566,7 +542,6 @@ iavf_request_traffic_irqs(struct iavf_adapter *adapter, char *basename) unsigned int vector, q_vectors; unsigned int rx_int_idx = 0, tx_int_idx = 0; int irq_num, err; - int cpu; iavf_irq_disable(adapter); /* Decrement for Other and TCP Timer vectors */ @@ -601,17 +576,6 @@ iavf_request_traffic_irqs(struct iavf_adapter *adapter, char *basename) "Request_irq failed, error: %d\n", err); goto free_queue_irqs; } - /* register for affinity change notifications */ - q_vector->affinity_notify.notify = iavf_irq_affinity_notify; - q_vector->affinity_notify.release = - iavf_irq_affinity_release; - irq_set_affinity_notifier(irq_num, &q_vector->affinity_notify); - /* Spread the IRQ affinity hints across online CPUs. Note that - * get_cpu_mask returns a mask with a permanent lifetime so - * it's safe to use as a hint for irq_update_affinity_hint. - */ - cpu = cpumask_local_spread(q_vector->v_idx, -1); - irq_update_affinity_hint(irq_num, get_cpu_mask(cpu)); } return 0; @@ -620,8 +584,6 @@ free_queue_irqs: while (vector) { vector--; irq_num = adapter->msix_entries[vector + NONQ_VECS].vector; - irq_set_affinity_notifier(irq_num, NULL); - irq_update_affinity_hint(irq_num, NULL); free_irq(irq_num, &adapter->q_vectors[vector]); } return err; @@ -663,6 +625,7 @@ static int iavf_request_misc_irq(struct iavf_adapter *adapter) **/ static void iavf_free_traffic_irqs(struct iavf_adapter *adapter) { + struct iavf_q_vector *q_vector; int vector, irq_num, q_vectors; if (!adapter->msix_entries) @@ -671,10 +634,10 @@ static void iavf_free_traffic_irqs(struct iavf_adapter *adapter) q_vectors = adapter->num_msix_vectors - NONQ_VECS; for (vector = 0; vector < q_vectors; vector++) { + q_vector = &adapter->q_vectors[vector]; + netif_napi_set_irq_locked(&q_vector->napi, -1); irq_num = adapter->msix_entries[vector + NONQ_VECS].vector; - irq_set_affinity_notifier(irq_num, NULL); - irq_update_affinity_hint(irq_num, NULL); - free_irq(irq_num, &adapter->q_vectors[vector]); + free_irq(irq_num, q_vector); } } @@ -710,6 +673,47 @@ static void iavf_configure_tx(struct iavf_adapter *adapter) } /** + * iavf_select_rx_desc_format - Select Rx descriptor format + * @adapter: adapter private structure + * + * Select what Rx descriptor format based on availability and enabled + * features. + * + * Return: the desired RXDID to select for a given Rx queue, as defined by + * enum virtchnl_rxdid_format. + */ +static u8 iavf_select_rx_desc_format(const struct iavf_adapter *adapter) +{ + u64 rxdids = adapter->supp_rxdids; + + /* If we did not negotiate VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC, we must + * stick with the default value of the legacy 32 byte format. + */ + if (!IAVF_RXDID_ALLOWED(adapter)) + return VIRTCHNL_RXDID_1_32B_BASE; + + /* Rx timestamping requires the use of flexible NIC descriptors */ + if (iavf_ptp_cap_supported(adapter, VIRTCHNL_1588_PTP_CAP_RX_TSTAMP)) { + if (rxdids & BIT(VIRTCHNL_RXDID_2_FLEX_SQ_NIC)) + return VIRTCHNL_RXDID_2_FLEX_SQ_NIC; + + pci_warn(adapter->pdev, + "Unable to negotiate flexible descriptor format\n"); + } + + /* Warn if the PF does not list support for the default legacy + * descriptor format. This shouldn't happen, as this is the format + * used if VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC is not supported. It is + * likely caused by a bug in the PF implementation failing to indicate + * support for the format. + */ + if (!(rxdids & VIRTCHNL_RXDID_1_32B_BASE_M)) + netdev_warn(adapter->netdev, "PF does not list support for default Rx descriptor format\n"); + + return VIRTCHNL_RXDID_1_32B_BASE; +} + +/** * iavf_configure_rx - Configure Receive Unit after Reset * @adapter: board private structure * @@ -719,8 +723,12 @@ static void iavf_configure_rx(struct iavf_adapter *adapter) { struct iavf_hw *hw = &adapter->hw; - for (u32 i = 0; i < adapter->num_active_queues; i++) + adapter->rxdid = iavf_select_rx_desc_format(adapter); + + for (u32 i = 0; i < adapter->num_active_queues; i++) { adapter->rx_rings[i].tail = hw->hw_addr + IAVF_QRX_TAIL1(i); + adapter->rx_rings[i].rxdid = adapter->rxdid; + } } /** @@ -1240,11 +1248,11 @@ static void iavf_configure(struct iavf_adapter *adapter) /** * iavf_up_complete - Finish the last steps of bringing up a connection * @adapter: board private structure - * - * Expects to be called while holding crit_lock. - **/ + */ static void iavf_up_complete(struct iavf_adapter *adapter) { + netdev_assert_locked(adapter->netdev); + iavf_change_state(adapter, __IAVF_RUNNING); clear_bit(__IAVF_VSI_DOWN, adapter->vsi.state); @@ -1363,13 +1371,13 @@ static void iavf_clear_adv_rss_conf(struct iavf_adapter *adapter) /** * iavf_down - Shutdown the connection processing * @adapter: board private structure - * - * Expects to be called while holding crit_lock. - **/ + */ void iavf_down(struct iavf_adapter *adapter) { struct net_device *netdev = adapter->netdev; + netdev_assert_locked(netdev); + if (adapter->state <= __IAVF_DOWN_PENDING) return; @@ -1687,7 +1695,7 @@ static int iavf_config_rss_aq(struct iavf_adapter *adapter) if (status) { dev_err(&adapter->pdev->dev, "Cannot set RSS key, err %s aq_err %s\n", iavf_stat_str(hw, status), - iavf_aq_str(hw, hw->aq.asq_last_status)); + libie_aq_str(hw->aq.asq_last_status)); return iavf_status_to_errno(status); } @@ -1697,7 +1705,7 @@ static int iavf_config_rss_aq(struct iavf_adapter *adapter) if (status) { dev_err(&adapter->pdev->dev, "Cannot set RSS lut, err %s aq_err %s\n", iavf_stat_str(hw, status), - iavf_aq_str(hw, hw->aq.asq_last_status)); + libie_aq_str(hw->aq.asq_last_status)); return iavf_status_to_errno(status); } @@ -1776,12 +1784,13 @@ static int iavf_init_rss(struct iavf_adapter *adapter) /* Enable PCTYPES for RSS, TCP/UDP with IPv4/IPv6 */ if (adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2) - adapter->hena = IAVF_DEFAULT_RSS_HENA_EXPANDED; + adapter->rss_hashcfg = + IAVF_DEFAULT_RSS_HASHCFG_EXPANDED; else - adapter->hena = IAVF_DEFAULT_RSS_HENA; + adapter->rss_hashcfg = IAVF_DEFAULT_RSS_HASHCFG; - wr32(hw, IAVF_VFQF_HENA(0), (u32)adapter->hena); - wr32(hw, IAVF_VFQF_HENA(1), (u32)(adapter->hena >> 32)); + wr32(hw, IAVF_VFQF_HENA(0), (u32)adapter->rss_hashcfg); + wr32(hw, IAVF_VFQF_HENA(1), (u32)(adapter->rss_hashcfg >> 32)); } iavf_fill_rss_lut(adapter); @@ -1799,7 +1808,7 @@ static int iavf_init_rss(struct iavf_adapter *adapter) **/ static int iavf_alloc_q_vectors(struct iavf_adapter *adapter) { - int q_idx = 0, num_q_vectors; + int q_idx = 0, num_q_vectors, irq_num; struct iavf_q_vector *q_vector; num_q_vectors = adapter->num_msix_vectors - NONQ_VECS; @@ -1809,14 +1818,15 @@ static int iavf_alloc_q_vectors(struct iavf_adapter *adapter) return -ENOMEM; for (q_idx = 0; q_idx < num_q_vectors; q_idx++) { + irq_num = adapter->msix_entries[q_idx + NONQ_VECS].vector; q_vector = &adapter->q_vectors[q_idx]; q_vector->adapter = adapter; q_vector->vsi = &adapter->vsi; q_vector->v_idx = q_idx; q_vector->reg_idx = q_idx; - cpumask_copy(&q_vector->affinity_mask, cpu_possible_mask); - netif_napi_add_locked(adapter->netdev, &q_vector->napi, - iavf_napi_poll); + netif_napi_add_config_locked(adapter->netdev, &q_vector->napi, + iavf_napi_poll, q_idx); + netif_napi_set_irq_locked(&q_vector->napi, irq_num); } return 0; @@ -1978,8 +1988,8 @@ err: * iavf_finish_config - do all netdev work that needs RTNL * @work: our work_struct * - * Do work that needs both RTNL and crit_lock. - **/ + * Do work that needs RTNL. + */ static void iavf_finish_config(struct work_struct *work) { struct iavf_adapter *adapter; @@ -1989,11 +1999,10 @@ static void iavf_finish_config(struct work_struct *work) adapter = container_of(work, struct iavf_adapter, finish_config); /* Always take RTNL first to prevent circular lock dependency; - * The dev->lock is needed to update the queue number + * the dev->lock (== netdev lock) is needed to update the queue number. */ rtnl_lock(); netdev_lock(adapter->netdev); - mutex_lock(&adapter->crit_lock); if ((adapter->flags & IAVF_FLAG_SETUP_NETDEV_FEATURES) && adapter->netdev->reg_state == NETREG_REGISTERED && @@ -2020,11 +2029,13 @@ static void iavf_finish_config(struct work_struct *work) err); /* go back and try again.*/ + netdev_lock(adapter->netdev); iavf_free_rss(adapter); iavf_free_misc_irq(adapter); iavf_reset_interrupt_capability(adapter); iavf_change_state(adapter, __IAVF_INIT_CONFIG_ADAPTER); + netdev_unlock(adapter->netdev); goto out; } } @@ -2040,7 +2051,6 @@ static void iavf_finish_config(struct work_struct *work) } out: - mutex_unlock(&adapter->crit_lock); if (!netdev_released) netdev_unlock(adapter->netdev); rtnl_unlock(); @@ -2071,6 +2081,10 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) return iavf_send_vf_config_msg(adapter); if (adapter->aq_required & IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS) return iavf_send_vf_offload_vlan_v2_msg(adapter); + if (adapter->aq_required & IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS) + return iavf_send_vf_supported_rxdids_msg(adapter); + if (adapter->aq_required & IAVF_FLAG_AQ_GET_PTP_CAPS) + return iavf_send_vf_ptp_caps_msg(adapter); if (adapter->aq_required & IAVF_FLAG_AQ_DISABLE_QUEUES) { iavf_disable_queues(adapter); return 0; @@ -2144,12 +2158,12 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) adapter->aq_required &= ~IAVF_FLAG_AQ_CONFIGURE_RSS; return 0; } - if (adapter->aq_required & IAVF_FLAG_AQ_GET_HENA) { - iavf_get_hena(adapter); + if (adapter->aq_required & IAVF_FLAG_AQ_GET_RSS_HASHCFG) { + iavf_get_rss_hashcfg(adapter); return 0; } - if (adapter->aq_required & IAVF_FLAG_AQ_SET_HENA) { - iavf_set_hena(adapter); + if (adapter->aq_required & IAVF_FLAG_AQ_SET_RSS_HASHCFG) { + iavf_set_rss_hashcfg(adapter); return 0; } if (adapter->aq_required & IAVF_FLAG_AQ_SET_RSS_KEY) { @@ -2235,7 +2249,10 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) iavf_enable_vlan_insertion_v2(adapter, ETH_P_8021AD); return 0; } - + if (adapter->aq_required & IAVF_FLAG_AQ_SEND_PTP_CMD) { + iavf_virtchnl_send_ptp_cmd(adapter); + return IAVF_SUCCESS; + } if (adapter->aq_required & IAVF_FLAG_AQ_REQUEST_STATS) { iavf_request_stats(adapter); return 0; @@ -2600,6 +2617,112 @@ err: } /** + * iavf_init_send_supported_rxdids - part of querying for supported RXDID + * formats + * @adapter: board private structure + * + * Function processes send of the request for supported RXDIDs to the PF. + * Must clear IAVF_EXTENDED_CAP_RECV_RXDID if the message is not sent, e.g. + * due to the PF not negotiating VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC. + */ +static void iavf_init_send_supported_rxdids(struct iavf_adapter *adapter) +{ + int ret; + + ret = iavf_send_vf_supported_rxdids_msg(adapter); + if (ret == -EOPNOTSUPP) { + /* PF does not support VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC. In this + * case, we did not send the capability exchange message and + * do not expect a response. + */ + adapter->extended_caps &= ~IAVF_EXTENDED_CAP_RECV_RXDID; + } + + /* We sent the message, so move on to the next step */ + adapter->extended_caps &= ~IAVF_EXTENDED_CAP_SEND_RXDID; +} + +/** + * iavf_init_recv_supported_rxdids - part of querying for supported RXDID + * formats + * @adapter: board private structure + * + * Function processes receipt of the supported RXDIDs message from the PF. + **/ +static void iavf_init_recv_supported_rxdids(struct iavf_adapter *adapter) +{ + int ret; + + memset(&adapter->supp_rxdids, 0, sizeof(adapter->supp_rxdids)); + + ret = iavf_get_vf_supported_rxdids(adapter); + if (ret) + goto err; + + /* We've processed the PF response to the + * VIRTCHNL_OP_GET_SUPPORTED_RXDIDS message we sent previously. + */ + adapter->extended_caps &= ~IAVF_EXTENDED_CAP_RECV_RXDID; + return; + +err: + /* We didn't receive a reply. Make sure we try sending again when + * __IAVF_INIT_FAILED attempts to recover. + */ + adapter->extended_caps |= IAVF_EXTENDED_CAP_SEND_RXDID; + iavf_change_state(adapter, __IAVF_INIT_FAILED); +} + +/** + * iavf_init_send_ptp_caps - part of querying for extended PTP capabilities + * @adapter: board private structure + * + * Function processes send of the request for 1588 PTP capabilities to the PF. + * Must clear IAVF_EXTENDED_CAP_SEND_PTP if the message is not sent, e.g. + * due to the PF not negotiating VIRTCHNL_VF_PTP_CAP + */ +static void iavf_init_send_ptp_caps(struct iavf_adapter *adapter) +{ + if (iavf_send_vf_ptp_caps_msg(adapter) == -EOPNOTSUPP) { + /* PF does not support VIRTCHNL_VF_PTP_CAP. In this case, we + * did not send the capability exchange message and do not + * expect a response. + */ + adapter->extended_caps &= ~IAVF_EXTENDED_CAP_RECV_PTP; + } + + /* We sent the message, so move on to the next step */ + adapter->extended_caps &= ~IAVF_EXTENDED_CAP_SEND_PTP; +} + +/** + * iavf_init_recv_ptp_caps - part of querying for supported PTP capabilities + * @adapter: board private structure + * + * Function processes receipt of the PTP capabilities supported on this VF. + **/ +static void iavf_init_recv_ptp_caps(struct iavf_adapter *adapter) +{ + memset(&adapter->ptp.hw_caps, 0, sizeof(adapter->ptp.hw_caps)); + + if (iavf_get_vf_ptp_caps(adapter)) + goto err; + + /* We've processed the PF response to the VIRTCHNL_OP_1588_PTP_GET_CAPS + * message we sent previously. + */ + adapter->extended_caps &= ~IAVF_EXTENDED_CAP_RECV_PTP; + return; + +err: + /* We didn't receive a reply. Make sure we try sending again when + * __IAVF_INIT_FAILED attempts to recover. + */ + adapter->extended_caps |= IAVF_EXTENDED_CAP_SEND_PTP; + iavf_change_state(adapter, __IAVF_INIT_FAILED); +} + +/** * iavf_init_process_extended_caps - Part of driver startup * @adapter: board private structure * @@ -2623,6 +2746,24 @@ static void iavf_init_process_extended_caps(struct iavf_adapter *adapter) return; } + /* Process capability exchange for RXDID formats */ + if (adapter->extended_caps & IAVF_EXTENDED_CAP_SEND_RXDID) { + iavf_init_send_supported_rxdids(adapter); + return; + } else if (adapter->extended_caps & IAVF_EXTENDED_CAP_RECV_RXDID) { + iavf_init_recv_supported_rxdids(adapter); + return; + } + + /* Process capability exchange for PTP features */ + if (adapter->extended_caps & IAVF_EXTENDED_CAP_SEND_PTP) { + iavf_init_send_ptp_caps(adapter); + return; + } else if (adapter->extended_caps & IAVF_EXTENDED_CAP_RECV_PTP) { + iavf_init_recv_ptp_caps(adapter); + return; + } + /* When we reach here, no further extended capabilities exchanges are * necessary, so we finally transition into __IAVF_INIT_CONFIG_ADAPTER */ @@ -2714,6 +2855,9 @@ static void iavf_init_config_adapter(struct iavf_adapter *adapter) if (QOS_ALLOWED(adapter)) adapter->aq_required |= IAVF_FLAG_AQ_GET_QOS_CAPS; + /* Setup initial PTP configuration */ + iavf_ptp_init(adapter); + iavf_schedule_finish_config(adapter); return; @@ -2726,28 +2870,15 @@ err: iavf_change_state(adapter, __IAVF_INIT_FAILED); } -/** - * iavf_watchdog_task - Periodic call-back task - * @work: pointer to work_struct - **/ -static void iavf_watchdog_task(struct work_struct *work) +static const int IAVF_NO_RESCHED = -1; + +/* return: msec delay for requeueing itself */ +static int iavf_watchdog_step(struct iavf_adapter *adapter) { - struct iavf_adapter *adapter = container_of(work, - struct iavf_adapter, - watchdog_task.work); - struct net_device *netdev = adapter->netdev; struct iavf_hw *hw = &adapter->hw; u32 reg_val; - netdev_lock(netdev); - if (!mutex_trylock(&adapter->crit_lock)) { - if (adapter->state == __IAVF_REMOVE) { - netdev_unlock(netdev); - return; - } - - goto restart_watchdog; - } + netdev_assert_locked(adapter->netdev); if (adapter->flags & IAVF_FLAG_PF_COMMS_FAILED) iavf_change_state(adapter, __IAVF_COMM_FAILED); @@ -2755,39 +2886,19 @@ static void iavf_watchdog_task(struct work_struct *work) switch (adapter->state) { case __IAVF_STARTUP: iavf_startup(adapter); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(30)); - return; + return 30; case __IAVF_INIT_VERSION_CHECK: iavf_init_version_check(adapter); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(30)); - return; + return 30; case __IAVF_INIT_GET_RESOURCES: iavf_init_get_resources(adapter); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(1)); - return; + return 1; case __IAVF_INIT_EXTENDED_CAPS: iavf_init_process_extended_caps(adapter); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(1)); - return; + return 1; case __IAVF_INIT_CONFIG_ADAPTER: iavf_init_config_adapter(adapter); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(1)); - return; + return 1; case __IAVF_INIT_FAILED: if (test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) { @@ -2795,27 +2906,18 @@ static void iavf_watchdog_task(struct work_struct *work) * watchdog task, iavf_remove should handle this state * as it can loop forever */ - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - return; + return IAVF_NO_RESCHED; } if (++adapter->aq_wait_count > IAVF_AQ_MAX_ERR) { dev_err(&adapter->pdev->dev, "Failed to communicate with PF; waiting before retry\n"); adapter->flags |= IAVF_FLAG_PF_COMMS_FAILED; iavf_shutdown_adminq(hw); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, - &adapter->watchdog_task, (5 * HZ)); - return; + return 5000; } /* Try again from failed step*/ iavf_change_state(adapter, adapter->last_state); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, HZ); - return; + return 1000; case __IAVF_COMM_FAILED: if (test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) { @@ -2825,9 +2927,7 @@ static void iavf_watchdog_task(struct work_struct *work) */ iavf_change_state(adapter, __IAVF_INIT_FAILED); adapter->flags &= ~IAVF_FLAG_PF_COMMS_FAILED; - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - return; + return IAVF_NO_RESCHED; } reg_val = rd32(hw, IAVF_VFGEN_RSTAT) & IAVF_VFGEN_RSTAT_VFR_STATE_MASK; @@ -2845,18 +2945,9 @@ static void iavf_watchdog_task(struct work_struct *work) } adapter->aq_required = 0; adapter->current_op = VIRTCHNL_OP_UNKNOWN; - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, - &adapter->watchdog_task, - msecs_to_jiffies(10)); - return; + return 10; case __IAVF_RESETTING: - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - HZ * 2); - return; + return 2000; case __IAVF_DOWN: case __IAVF_DOWN_PENDING: case __IAVF_TESTING: @@ -2883,9 +2974,7 @@ static void iavf_watchdog_task(struct work_struct *work) break; case __IAVF_REMOVE: default: - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - return; + return IAVF_NO_RESCHED; } /* check for hw reset */ @@ -2895,24 +2984,29 @@ static void iavf_watchdog_task(struct work_struct *work) adapter->current_op = VIRTCHNL_OP_UNKNOWN; dev_err(&adapter->pdev->dev, "Hardware reset detected\n"); iavf_schedule_reset(adapter, IAVF_FLAG_RESET_PENDING); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - queue_delayed_work(adapter->wq, - &adapter->watchdog_task, HZ * 2); - return; } - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); -restart_watchdog: + return adapter->aq_required ? 20 : 2000; +} + +static void iavf_watchdog_task(struct work_struct *work) +{ + struct iavf_adapter *adapter = container_of(work, + struct iavf_adapter, + watchdog_task.work); + struct net_device *netdev = adapter->netdev; + int msec_delay; + + netdev_lock(netdev); + msec_delay = iavf_watchdog_step(adapter); + /* note that we schedule a different task */ if (adapter->state >= __IAVF_DOWN) queue_work(adapter->wq, &adapter->adminq_task); - if (adapter->aq_required) - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(20)); - else + + if (msec_delay != IAVF_NO_RESCHED) queue_delayed_work(adapter->wq, &adapter->watchdog_task, - HZ * 2); + msecs_to_jiffies(msec_delay)); + netdev_unlock(netdev); } /** @@ -2920,14 +3014,15 @@ restart_watchdog: * @adapter: board private structure * * Set communication failed flag and free all resources. - * NOTE: This function is expected to be called with crit_lock being held. - **/ + */ static void iavf_disable_vf(struct iavf_adapter *adapter) { struct iavf_mac_filter *f, *ftmp; struct iavf_vlan_filter *fv, *fvtmp; struct iavf_cloud_filter *cf, *cftmp; + netdev_assert_locked(adapter->netdev); + adapter->flags |= IAVF_FLAG_PF_COMMS_FAILED; /* We don't use netif_running() because it may be true prior to @@ -3027,17 +3122,7 @@ static void iavf_reset_task(struct work_struct *work) int i = 0, err; bool running; - /* When device is being removed it doesn't make sense to run the reset - * task, just return in such a case. - */ netdev_lock(netdev); - if (!mutex_trylock(&adapter->crit_lock)) { - if (adapter->state != __IAVF_REMOVE) - queue_work(adapter->wq, &adapter->reset_task); - - netdev_unlock(netdev); - return; - } iavf_misc_irq_disable(adapter); if (adapter->flags & IAVF_FLAG_RESET_NEEDED) { @@ -3082,12 +3167,22 @@ static void iavf_reset_task(struct work_struct *work) dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n", reg_val); iavf_disable_vf(adapter); - mutex_unlock(&adapter->crit_lock); netdev_unlock(netdev); return; /* Do not attempt to reinit. It's dead, Jim. */ } continue_reset: + /* If we are still early in the state machine, just restart. */ + if (adapter->state <= __IAVF_INIT_FAILED) { + iavf_shutdown_adminq(hw); + iavf_change_state(adapter, __IAVF_STARTUP); + iavf_startup(adapter); + queue_delayed_work(adapter->wq, &adapter->watchdog_task, + msecs_to_jiffies(30)); + netdev_unlock(netdev); + return; + } + /* We don't use netif_running() because it may be true prior to * ndo_open() returning, so we can't assume it means all our open * tasks have finished, since we're not holding the rtnl_lock here. @@ -3139,15 +3234,18 @@ continue_reset: } adapter->aq_required |= IAVF_FLAG_AQ_GET_CONFIG; - /* always set since VIRTCHNL_OP_GET_VF_RESOURCES has not been - * sent/received yet, so VLAN_V2_ALLOWED() cannot is not reliable here, - * however the VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS won't be sent until - * VIRTCHNL_OP_GET_VF_RESOURCES and VIRTCHNL_VF_OFFLOAD_VLAN_V2 have - * been successfully sent and negotiated - */ - adapter->aq_required |= IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS; adapter->aq_required |= IAVF_FLAG_AQ_MAP_VECTORS; + /* Certain capabilities require an extended negotiation process using + * extra messages that must be processed after getting the VF + * configuration. The related checks such as VLAN_V2_ALLOWED() are not + * reliable here, since the configuration has not yet been negotiated. + * + * Always set these flags, since them related VIRTCHNL messages won't + * be sent until after VIRTCHNL_OP_GET_VF_RESOURCES. + */ + adapter->aq_required |= IAVF_FLAG_AQ_EXTENDED_CAPS; + spin_lock_bh(&adapter->mac_vlan_list_lock); /* Delete filter for the current MAC address, it could have @@ -3223,7 +3321,6 @@ continue_reset: adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED; wake_up(&adapter->reset_waitqueue); - mutex_unlock(&adapter->crit_lock); netdev_unlock(netdev); return; @@ -3234,7 +3331,6 @@ reset_err: } iavf_disable_vf(adapter); - mutex_unlock(&adapter->crit_lock); netdev_unlock(netdev); dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n"); } @@ -3247,6 +3343,7 @@ static void iavf_adminq_task(struct work_struct *work) { struct iavf_adapter *adapter = container_of(work, struct iavf_adapter, adminq_task); + struct net_device *netdev = adapter->netdev; struct iavf_hw *hw = &adapter->hw; struct iavf_arq_event_info event; enum virtchnl_ops v_op; @@ -3254,13 +3351,7 @@ static void iavf_adminq_task(struct work_struct *work) u32 val, oldval; u16 pending; - if (!mutex_trylock(&adapter->crit_lock)) { - if (adapter->state == __IAVF_REMOVE) - return; - - queue_work(adapter->wq, &adapter->adminq_task); - goto out; - } + netdev_lock(netdev); if (adapter->flags & IAVF_FLAG_PF_COMMS_FAILED) goto unlock; @@ -3327,8 +3418,7 @@ static void iavf_adminq_task(struct work_struct *work) freedom: kfree(event.msg_buf); unlock: - mutex_unlock(&adapter->crit_lock); -out: + netdev_unlock(netdev); /* re-enable Admin queue interrupt cause */ iavf_misc_irq_enable(adapter); } @@ -3707,10 +3797,8 @@ exit: if (test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) return 0; - netdev_lock(netdev); netif_set_real_num_rx_queues(netdev, total_qps); netif_set_real_num_tx_queues(netdev, total_qps); - netdev_unlock(netdev); return ret; } @@ -4023,8 +4111,8 @@ static int iavf_configure_clsflower(struct iavf_adapter *adapter, struct flow_cls_offload *cls_flower) { int tc = tc_classid_to_hwtc(adapter->netdev, cls_flower->classid); - struct iavf_cloud_filter *filter = NULL; - int err = -EINVAL, count = 50; + struct iavf_cloud_filter *filter; + int err; if (tc < 0) { dev_err(&adapter->pdev->dev, "Invalid traffic class\n"); @@ -4034,17 +4122,10 @@ static int iavf_configure_clsflower(struct iavf_adapter *adapter, filter = kzalloc(sizeof(*filter), GFP_KERNEL); if (!filter) return -ENOMEM; - - while (!mutex_trylock(&adapter->crit_lock)) { - if (--count == 0) { - kfree(filter); - return err; - } - udelay(1); - } - filter->cookie = cls_flower->cookie; + netdev_lock(adapter->netdev); + /* bail out here if filter already exists */ spin_lock_bh(&adapter->cloud_filter_list_lock); if (iavf_find_cf(adapter, &cls_flower->cookie)) { @@ -4078,7 +4159,7 @@ err: if (err) kfree(filter); - mutex_unlock(&adapter->crit_lock); + netdev_unlock(adapter->netdev); return err; } @@ -4375,36 +4456,20 @@ static int iavf_open(struct net_device *netdev) struct iavf_adapter *adapter = netdev_priv(netdev); int err; + netdev_assert_locked(netdev); + if (adapter->flags & IAVF_FLAG_PF_COMMS_FAILED) { dev_err(&adapter->pdev->dev, "Unable to open device due to PF driver failure.\n"); return -EIO; } - netdev_lock(netdev); - while (!mutex_trylock(&adapter->crit_lock)) { - /* If we are in __IAVF_INIT_CONFIG_ADAPTER state the crit_lock - * is already taken and iavf_open is called from an upper - * device's notifier reacting on NETDEV_REGISTER event. - * We have to leave here to avoid dead lock. - */ - if (adapter->state == __IAVF_INIT_CONFIG_ADAPTER) { - netdev_unlock(netdev); - return -EBUSY; - } - - usleep_range(500, 1000); - } - - if (adapter->state != __IAVF_DOWN) { - err = -EBUSY; - goto err_unlock; - } + if (adapter->state != __IAVF_DOWN) + return -EBUSY; if (adapter->state == __IAVF_RUNNING && !test_bit(__IAVF_VSI_DOWN, adapter->vsi.state)) { dev_dbg(&adapter->pdev->dev, "VF is already open.\n"); - err = 0; - goto err_unlock; + return 0; } /* allocate transmit descriptors */ @@ -4423,9 +4488,7 @@ static int iavf_open(struct net_device *netdev) goto err_req_irq; spin_lock_bh(&adapter->mac_vlan_list_lock); - iavf_add_filter(adapter, adapter->hw.mac.addr); - spin_unlock_bh(&adapter->mac_vlan_list_lock); /* Restore filters that were removed with IFF_DOWN */ @@ -4438,9 +4501,6 @@ static int iavf_open(struct net_device *netdev) iavf_irq_enable(adapter, true); - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); - return 0; err_req_irq: @@ -4450,9 +4510,6 @@ err_setup_rx: iavf_free_all_rx_resources(adapter); err_setup_tx: iavf_free_all_tx_resources(adapter); -err_unlock: - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); return err; } @@ -4474,14 +4531,10 @@ static int iavf_close(struct net_device *netdev) u64 aq_to_restore; int status; - netdev_lock(netdev); - mutex_lock(&adapter->crit_lock); + netdev_assert_locked(netdev); - if (adapter->state <= __IAVF_DOWN_PENDING) { - mutex_unlock(&adapter->crit_lock); - netdev_unlock(netdev); + if (adapter->state <= __IAVF_DOWN_PENDING) return 0; - } set_bit(__IAVF_VSI_DOWN, adapter->vsi.state); /* We cannot send IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS before @@ -4512,7 +4565,6 @@ static int iavf_close(struct net_device *netdev) iavf_change_state(adapter, __IAVF_DOWN_PENDING); iavf_free_traffic_irqs(adapter); - mutex_unlock(&adapter->crit_lock); netdev_unlock(netdev); /* We explicitly don't free resources here because the hardware is @@ -4531,10 +4583,10 @@ static int iavf_close(struct net_device *netdev) msecs_to_jiffies(500)); if (!status) netdev_warn(netdev, "Device resources not yet released\n"); + netdev_lock(netdev); - mutex_lock(&adapter->crit_lock); adapter->aq_required |= aq_to_restore; - mutex_unlock(&adapter->crit_lock); + return 0; } @@ -4996,6 +5048,25 @@ static netdev_features_t iavf_fix_features(struct net_device *netdev, return iavf_fix_strip_features(adapter, features); } +static int iavf_hwstamp_get(struct net_device *netdev, + struct kernel_hwtstamp_config *config) +{ + struct iavf_adapter *adapter = netdev_priv(netdev); + + *config = adapter->ptp.hwtstamp_config; + + return 0; +} + +static int iavf_hwstamp_set(struct net_device *netdev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) +{ + struct iavf_adapter *adapter = netdev_priv(netdev); + + return iavf_ptp_set_ts_config(adapter, config, extack); +} + static int iavf_verify_shaper(struct net_shaper_binding *binding, const struct net_shaper *shaper, @@ -5024,15 +5095,16 @@ iavf_shaper_set(struct net_shaper_binding *binding, struct iavf_adapter *adapter = netdev_priv(binding->netdev); const struct net_shaper_handle *handle = &shaper->handle; struct iavf_ring *tx_ring; - int ret = 0; + int ret; + + netdev_assert_locked(adapter->netdev); - mutex_lock(&adapter->crit_lock); if (handle->id >= adapter->num_active_queues) - goto unlock; + return 0; ret = iavf_verify_shaper(binding, shaper, extack); if (ret) - goto unlock; + return ret; tx_ring = &adapter->tx_rings[handle->id]; @@ -5042,9 +5114,7 @@ iavf_shaper_set(struct net_shaper_binding *binding, adapter->aq_required |= IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW; -unlock: - mutex_unlock(&adapter->crit_lock); - return ret; + return 0; } static int iavf_shaper_del(struct net_shaper_binding *binding, @@ -5054,9 +5124,10 @@ static int iavf_shaper_del(struct net_shaper_binding *binding, struct iavf_adapter *adapter = netdev_priv(binding->netdev); struct iavf_ring *tx_ring; - mutex_lock(&adapter->crit_lock); + netdev_assert_locked(adapter->netdev); + if (handle->id >= adapter->num_active_queues) - goto unlock; + return 0; tx_ring = &adapter->tx_rings[handle->id]; tx_ring->q_shaper.bw_min = 0; @@ -5065,8 +5136,6 @@ static int iavf_shaper_del(struct net_shaper_binding *binding, adapter->aq_required |= IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW; -unlock: - mutex_unlock(&adapter->crit_lock); return 0; } @@ -5104,6 +5173,8 @@ static const struct net_device_ops iavf_netdev_ops = { .ndo_set_features = iavf_set_features, .ndo_setup_tc = iavf_setup_tc, .net_shaper_ops = &iavf_shaper_ops, + .ndo_hwtstamp_get = iavf_hwstamp_get, + .ndo_hwtstamp_set = iavf_hwstamp_set, }; /** @@ -5279,6 +5350,7 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_alloc_etherdev; } + netif_set_affinity_auto(netdev); SET_NETDEV_DEV(netdev, &pdev->dev); pci_set_drvdata(pdev, netdev); @@ -5325,10 +5397,6 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_alloc_qos_cap; } - /* set up the locks for the AQ, do this only once in probe - * and destroy them only once in remove - */ - mutex_init(&adapter->crit_lock); mutex_init(&hw->aq.asq_mutex); mutex_init(&hw->aq.arq_mutex); @@ -5358,6 +5426,10 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Setup the wait queue for indicating virtchannel events */ init_waitqueue_head(&adapter->vc_waitqueue); + INIT_LIST_HEAD(&adapter->ptp.aq_cmds); + init_waitqueue_head(&adapter->ptp.phc_time_waitqueue); + mutex_init(&adapter->ptp.aq_cmd_lock); + queue_delayed_work(adapter->wq, &adapter->watchdog_task, msecs_to_jiffies(5 * (pdev->devfn & 0x07))); /* Initialization goes on in the work. Do not add more of it below. */ @@ -5387,22 +5459,24 @@ static int iavf_suspend(struct device *dev_d) { struct net_device *netdev = dev_get_drvdata(dev_d); struct iavf_adapter *adapter = netdev_priv(netdev); + bool running; netif_device_detach(netdev); + running = netif_running(netdev); + if (running) + rtnl_lock(); netdev_lock(netdev); - mutex_lock(&adapter->crit_lock); - if (netif_running(netdev)) { - rtnl_lock(); + if (running) iavf_down(adapter); - rtnl_unlock(); - } + iavf_free_misc_irq(adapter); iavf_reset_interrupt_capability(adapter); - mutex_unlock(&adapter->crit_lock); netdev_unlock(netdev); + if (running) + rtnl_unlock(); return 0; } @@ -5479,20 +5553,20 @@ static void iavf_remove(struct pci_dev *pdev) * There are flows where register/unregister netdev may race. */ while (1) { - mutex_lock(&adapter->crit_lock); + netdev_lock(netdev); if (adapter->state == __IAVF_RUNNING || adapter->state == __IAVF_DOWN || adapter->state == __IAVF_INIT_FAILED) { - mutex_unlock(&adapter->crit_lock); + netdev_unlock(netdev); break; } /* Simply return if we already went through iavf_shutdown */ if (adapter->state == __IAVF_REMOVE) { - mutex_unlock(&adapter->crit_lock); + netdev_unlock(netdev); return; } - mutex_unlock(&adapter->crit_lock); + netdev_unlock(netdev); usleep_range(500, 1000); } cancel_delayed_work_sync(&adapter->watchdog_task); @@ -5502,7 +5576,6 @@ static void iavf_remove(struct pci_dev *pdev) unregister_netdev(netdev); netdev_lock(netdev); - mutex_lock(&adapter->crit_lock); dev_info(&adapter->pdev->dev, "Removing device\n"); iavf_change_state(adapter, __IAVF_REMOVE); @@ -5514,11 +5587,15 @@ static void iavf_remove(struct pci_dev *pdev) msleep(50); } + iavf_ptp_release(adapter); + iavf_misc_irq_disable(adapter); /* Shut down all the garbage mashers on the detention level */ + netdev_unlock(netdev); cancel_work_sync(&adapter->reset_task); cancel_delayed_work_sync(&adapter->watchdog_task); cancel_work_sync(&adapter->adminq_task); + netdev_lock(netdev); adapter->aq_required = 0; adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED; @@ -5536,8 +5613,6 @@ static void iavf_remove(struct pci_dev *pdev) /* destroy the locks only once, here */ mutex_destroy(&hw->aq.arq_mutex); mutex_destroy(&hw->aq.asq_mutex); - mutex_unlock(&adapter->crit_lock); - mutex_destroy(&adapter->crit_lock); netdev_unlock(netdev); iounmap(hw->hw_addr); diff --git a/drivers/net/ethernet/intel/iavf/iavf_prototype.h b/drivers/net/ethernet/intel/iavf/iavf_prototype.h index cac9d1a35a52..7f9f9dbf959a 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_prototype.h +++ b/drivers/net/ethernet/intel/iavf/iavf_prototype.h @@ -22,7 +22,7 @@ enum iavf_status iavf_clean_arq_element(struct iavf_hw *hw, struct iavf_arq_event_info *e, u16 *events_pending); enum iavf_status iavf_asq_send_command(struct iavf_hw *hw, - struct iavf_aq_desc *desc, + struct libie_aq_desc *desc, void *buff, /* can be NULL */ u16 buff_size, struct iavf_asq_cmd_details *cmd_details); @@ -34,7 +34,6 @@ void iavf_debug_aq(struct iavf_hw *hw, enum iavf_debug_mask mask, bool iavf_check_asq_alive(struct iavf_hw *hw); enum iavf_status iavf_aq_queue_shutdown(struct iavf_hw *hw, bool unloading); -const char *iavf_aq_str(struct iavf_hw *hw, enum iavf_admin_queue_err aq_err); const char *iavf_stat_str(struct iavf_hw *hw, enum iavf_status stat_err); enum iavf_status iavf_aq_set_rss_lut(struct iavf_hw *hw, u16 seid, diff --git a/drivers/net/ethernet/intel/iavf/iavf_ptp.c b/drivers/net/ethernet/intel/iavf/iavf_ptp.c new file mode 100644 index 000000000000..b4d5eda2e84f --- /dev/null +++ b/drivers/net/ethernet/intel/iavf/iavf_ptp.c @@ -0,0 +1,485 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2024 Intel Corporation. */ + +#include "iavf.h" +#include "iavf_ptp.h" + +#define iavf_clock_to_adapter(info) \ + container_of_const(info, struct iavf_adapter, ptp.info) + +/** + * iavf_ptp_disable_rx_tstamp - Disable timestamping in Rx rings + * @adapter: private adapter structure + * + * Disable timestamp reporting for all Rx rings. + */ +static void iavf_ptp_disable_rx_tstamp(struct iavf_adapter *adapter) +{ + for (u32 i = 0; i < adapter->num_active_queues; i++) + adapter->rx_rings[i].flags &= ~IAVF_TXRX_FLAGS_HW_TSTAMP; +} + +/** + * iavf_ptp_enable_rx_tstamp - Enable timestamping in Rx rings + * @adapter: private adapter structure + * + * Enable timestamp reporting for all Rx rings. + */ +static void iavf_ptp_enable_rx_tstamp(struct iavf_adapter *adapter) +{ + for (u32 i = 0; i < adapter->num_active_queues; i++) + adapter->rx_rings[i].flags |= IAVF_TXRX_FLAGS_HW_TSTAMP; +} + +/** + * iavf_ptp_set_timestamp_mode - Set device timestamping mode + * @adapter: private adapter structure + * @config: pointer to kernel_hwtstamp_config + * + * Set the timestamping mode requested from the userspace. + * + * Note: this function always translates Rx timestamp requests for any packet + * category into HWTSTAMP_FILTER_ALL. + * + * Return: 0 on success, negative error code otherwise. + */ +static int iavf_ptp_set_timestamp_mode(struct iavf_adapter *adapter, + struct kernel_hwtstamp_config *config) +{ + /* Reserved for future extensions. */ + if (config->flags) + return -EINVAL; + + switch (config->tx_type) { + case HWTSTAMP_TX_OFF: + break; + case HWTSTAMP_TX_ON: + return -EOPNOTSUPP; + default: + return -ERANGE; + } + + if (config->rx_filter == HWTSTAMP_FILTER_NONE) { + iavf_ptp_disable_rx_tstamp(adapter); + return 0; + } else if (config->rx_filter > HWTSTAMP_FILTER_NTP_ALL) { + return -ERANGE; + } else if (!(iavf_ptp_cap_supported(adapter, + VIRTCHNL_1588_PTP_CAP_RX_TSTAMP))) { + return -EOPNOTSUPP; + } + + config->rx_filter = HWTSTAMP_FILTER_ALL; + iavf_ptp_enable_rx_tstamp(adapter); + + return 0; +} + +/** + * iavf_ptp_set_ts_config - Set timestamping configuration + * @adapter: private adapter structure + * @config: pointer to kernel_hwtstamp_config structure + * @extack: pointer to netlink_ext_ack structure + * + * Program the requested timestamping configuration to the device. + * + * Return: 0 on success, negative error code otherwise. + */ +int iavf_ptp_set_ts_config(struct iavf_adapter *adapter, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) +{ + int err; + + err = iavf_ptp_set_timestamp_mode(adapter, config); + if (err) + return err; + + /* Save successful settings for future reference */ + adapter->ptp.hwtstamp_config = *config; + + return 0; +} + +/** + * iavf_ptp_cap_supported - Check if a PTP capability is supported + * @adapter: private adapter structure + * @cap: the capability bitmask to check + * + * Return: true if every capability set in cap is also set in the enabled + * capabilities reported by the PF, false otherwise. + */ +bool iavf_ptp_cap_supported(const struct iavf_adapter *adapter, u32 cap) +{ + if (!IAVF_PTP_ALLOWED(adapter)) + return false; + + /* Only return true if every bit in cap is set in hw_caps.caps */ + return (adapter->ptp.hw_caps.caps & cap) == cap; +} + +/** + * iavf_allocate_ptp_cmd - Allocate a PTP command message structure + * @v_opcode: the virtchnl opcode + * @msglen: length in bytes of the associated virtchnl structure + * + * Allocates a PTP command message and pre-fills it with the provided message + * length and opcode. + * + * Return: allocated PTP command. + */ +static struct iavf_ptp_aq_cmd *iavf_allocate_ptp_cmd(enum virtchnl_ops v_opcode, + u16 msglen) +{ + struct iavf_ptp_aq_cmd *cmd; + + cmd = kzalloc(struct_size(cmd, msg, msglen), GFP_KERNEL); + if (!cmd) + return NULL; + + cmd->v_opcode = v_opcode; + cmd->msglen = msglen; + + return cmd; +} + +/** + * iavf_queue_ptp_cmd - Queue PTP command for sending over virtchnl + * @adapter: private adapter structure + * @cmd: the command structure to send + * + * Queue the given command structure into the PTP virtchnl command queue tos + * end to the PF. + */ +static void iavf_queue_ptp_cmd(struct iavf_adapter *adapter, + struct iavf_ptp_aq_cmd *cmd) +{ + mutex_lock(&adapter->ptp.aq_cmd_lock); + list_add_tail(&cmd->list, &adapter->ptp.aq_cmds); + mutex_unlock(&adapter->ptp.aq_cmd_lock); + + adapter->aq_required |= IAVF_FLAG_AQ_SEND_PTP_CMD; + mod_delayed_work(adapter->wq, &adapter->watchdog_task, 0); +} + +/** + * iavf_send_phc_read - Send request to read PHC time + * @adapter: private adapter structure + * + * Send a request to obtain the PTP hardware clock time. This allocates the + * VIRTCHNL_OP_1588_PTP_GET_TIME message and queues it up to send to + * indirectly read the PHC time. + * + * This function does not wait for the reply from the PF. + * + * Return: 0 if success, error code otherwise. + */ +static int iavf_send_phc_read(struct iavf_adapter *adapter) +{ + struct iavf_ptp_aq_cmd *cmd; + + if (!adapter->ptp.clock) + return -EOPNOTSUPP; + + cmd = iavf_allocate_ptp_cmd(VIRTCHNL_OP_1588_PTP_GET_TIME, + sizeof(struct virtchnl_phc_time)); + if (!cmd) + return -ENOMEM; + + iavf_queue_ptp_cmd(adapter, cmd); + + return 0; +} + +/** + * iavf_read_phc_indirect - Indirectly read the PHC time via virtchnl + * @adapter: private adapter structure + * @ts: storage for the timestamp value + * @sts: system timestamp values before and after the read + * + * Used when the device does not have direct register access to the PHC time. + * Indirectly reads the time via the VIRTCHNL_OP_1588_PTP_GET_TIME, and waits + * for the reply from the PF. + * + * Based on some simple measurements using ftrace and phc2sys, this clock + * access method has about a ~110 usec latency even when the system is not + * under load. In order to achieve acceptable results when using phc2sys with + * the indirect clock access method, it is recommended to use more + * conservative proportional and integration constants with the P/I servo. + * + * Return: 0 if success, error code otherwise. + */ +static int iavf_read_phc_indirect(struct iavf_adapter *adapter, + struct timespec64 *ts, + struct ptp_system_timestamp *sts) +{ + long ret; + int err; + + adapter->ptp.phc_time_ready = false; + + ptp_read_system_prets(sts); + + err = iavf_send_phc_read(adapter); + if (err) + return err; + + ret = wait_event_interruptible_timeout(adapter->ptp.phc_time_waitqueue, + adapter->ptp.phc_time_ready, + HZ); + + ptp_read_system_postts(sts); + + if (ret < 0) + return ret; + else if (!ret) + return -EBUSY; + + *ts = ns_to_timespec64(adapter->ptp.cached_phc_time); + + return 0; +} + +static int iavf_ptp_gettimex64(struct ptp_clock_info *info, + struct timespec64 *ts, + struct ptp_system_timestamp *sts) +{ + struct iavf_adapter *adapter = iavf_clock_to_adapter(info); + + if (!adapter->ptp.clock) + return -EOPNOTSUPP; + + return iavf_read_phc_indirect(adapter, ts, sts); +} + +/** + * iavf_ptp_cache_phc_time - Cache PHC time for performing timestamp extension + * @adapter: private adapter structure + * + * Periodically cache the PHC time in order to allow for timestamp extension. + * This is required because the Tx and Rx timestamps only contain 32bits of + * nanoseconds. Timestamp extension allows calculating the corrected 64bit + * timestamp. This algorithm relies on the cached time being within ~1 second + * of the timestamp. + */ +static void iavf_ptp_cache_phc_time(struct iavf_adapter *adapter) +{ + if (!time_is_before_jiffies(adapter->ptp.cached_phc_updated + HZ)) + return; + + /* The response from virtchnl will store the time into + * cached_phc_time. + */ + iavf_send_phc_read(adapter); +} + +/** + * iavf_ptp_do_aux_work - Perform periodic work required for PTP support + * @info: PTP clock info structure + * + * Handler to take care of periodic work required for PTP operation. This + * includes the following tasks: + * + * 1) updating cached_phc_time + * + * cached_phc_time is used by the Tx and Rx timestamp flows in order to + * perform timestamp extension, by carefully comparing the timestamp + * 32bit nanosecond timestamps and determining the corrected 64bit + * timestamp value to report to userspace. This algorithm only works if + * the cached_phc_time is within ~1 second of the Tx or Rx timestamp + * event. This task periodically reads the PHC time and stores it, to + * ensure that timestamp extension operates correctly. + * + * Returns: time in jiffies until the periodic task should be re-scheduled. + */ +static long iavf_ptp_do_aux_work(struct ptp_clock_info *info) +{ + struct iavf_adapter *adapter = iavf_clock_to_adapter(info); + + iavf_ptp_cache_phc_time(adapter); + + /* Check work about twice a second */ + return msecs_to_jiffies(500); +} + +/** + * iavf_ptp_register_clock - Register a new PTP for userspace + * @adapter: private adapter structure + * + * Allocate and register a new PTP clock device if necessary. + * + * Return: 0 if success, error otherwise. + */ +static int iavf_ptp_register_clock(struct iavf_adapter *adapter) +{ + struct ptp_clock_info *ptp_info = &adapter->ptp.info; + struct device *dev = &adapter->pdev->dev; + struct ptp_clock *clock; + + snprintf(ptp_info->name, sizeof(ptp_info->name), "%s-%s-clk", + KBUILD_MODNAME, dev_name(dev)); + ptp_info->owner = THIS_MODULE; + ptp_info->gettimex64 = iavf_ptp_gettimex64; + ptp_info->do_aux_work = iavf_ptp_do_aux_work; + + clock = ptp_clock_register(ptp_info, dev); + if (IS_ERR(clock)) + return PTR_ERR(clock); + + adapter->ptp.clock = clock; + + dev_dbg(&adapter->pdev->dev, "PTP clock %s registered\n", + adapter->ptp.info.name); + + return 0; +} + +/** + * iavf_ptp_init - Initialize PTP support if capability was negotiated + * @adapter: private adapter structure + * + * Initialize PTP functionality, based on the capabilities that the PF has + * enabled for this VF. + */ +void iavf_ptp_init(struct iavf_adapter *adapter) +{ + int err; + + if (!iavf_ptp_cap_supported(adapter, VIRTCHNL_1588_PTP_CAP_READ_PHC)) { + pci_notice(adapter->pdev, + "Device does not have PTP clock support\n"); + return; + } + + err = iavf_ptp_register_clock(adapter); + if (err) { + pci_err(adapter->pdev, + "Failed to register PTP clock device (%p)\n", + ERR_PTR(err)); + return; + } + + for (int i = 0; i < adapter->num_active_queues; i++) { + struct iavf_ring *rx_ring = &adapter->rx_rings[i]; + + rx_ring->ptp = &adapter->ptp; + } + + ptp_schedule_worker(adapter->ptp.clock, 0); +} + +/** + * iavf_ptp_release - Disable PTP support + * @adapter: private adapter structure + * + * Release all PTP resources that were previously initialized. + */ +void iavf_ptp_release(struct iavf_adapter *adapter) +{ + struct iavf_ptp_aq_cmd *cmd, *tmp; + + if (!adapter->ptp.clock) + return; + + pci_dbg(adapter->pdev, "removing PTP clock %s\n", + adapter->ptp.info.name); + ptp_clock_unregister(adapter->ptp.clock); + adapter->ptp.clock = NULL; + + /* Cancel any remaining uncompleted PTP clock commands */ + mutex_lock(&adapter->ptp.aq_cmd_lock); + list_for_each_entry_safe(cmd, tmp, &adapter->ptp.aq_cmds, list) { + list_del(&cmd->list); + kfree(cmd); + } + adapter->aq_required &= ~IAVF_FLAG_AQ_SEND_PTP_CMD; + mutex_unlock(&adapter->ptp.aq_cmd_lock); + + adapter->ptp.hwtstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; + iavf_ptp_disable_rx_tstamp(adapter); +} + +/** + * iavf_ptp_process_caps - Handle change in PTP capabilities + * @adapter: private adapter structure + * + * Handle any state changes necessary due to change in PTP capabilities, such + * as after a device reset or change in configuration from the PF. + */ +void iavf_ptp_process_caps(struct iavf_adapter *adapter) +{ + bool phc = iavf_ptp_cap_supported(adapter, VIRTCHNL_1588_PTP_CAP_READ_PHC); + + /* Check if the device gained or lost necessary access to support the + * PTP hardware clock. If so, driver must respond appropriately by + * creating or destroying the PTP clock device. + */ + if (adapter->ptp.clock && !phc) + iavf_ptp_release(adapter); + else if (!adapter->ptp.clock && phc) + iavf_ptp_init(adapter); + + /* Check if the device lost access to Rx timestamp incoming packets */ + if (!iavf_ptp_cap_supported(adapter, VIRTCHNL_1588_PTP_CAP_RX_TSTAMP)) { + adapter->ptp.hwtstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; + iavf_ptp_disable_rx_tstamp(adapter); + } +} + +/** + * iavf_ptp_extend_32b_timestamp - Convert a 32b nanoseconds timestamp to 64b + * nanoseconds + * @cached_phc_time: recently cached copy of PHC time + * @in_tstamp: Ingress/egress 32b nanoseconds timestamp value + * + * Hardware captures timestamps which contain only 32 bits of nominal + * nanoseconds, as opposed to the 64bit timestamps that the stack expects. + * + * Extend the 32bit nanosecond timestamp using the following algorithm and + * assumptions: + * + * 1) have a recently cached copy of the PHC time + * 2) assume that the in_tstamp was captured 2^31 nanoseconds (~2.1 + * seconds) before or after the PHC time was captured. + * 3) calculate the delta between the cached time and the timestamp + * 4) if the delta is smaller than 2^31 nanoseconds, then the timestamp was + * captured after the PHC time. In this case, the full timestamp is just + * the cached PHC time plus the delta. + * 5) otherwise, if the delta is larger than 2^31 nanoseconds, then the + * timestamp was captured *before* the PHC time, i.e. because the PHC + * cache was updated after the timestamp was captured by hardware. In this + * case, the full timestamp is the cached time minus the inverse delta. + * + * This algorithm works even if the PHC time was updated after a Tx timestamp + * was requested, but before the Tx timestamp event was reported from + * hardware. + * + * This calculation primarily relies on keeping the cached PHC time up to + * date. If the timestamp was captured more than 2^31 nanoseconds after the + * PHC time, it is possible that the lower 32bits of PHC time have + * overflowed more than once, and we might generate an incorrect timestamp. + * + * This is prevented by (a) periodically updating the cached PHC time once + * a second, and (b) discarding any Tx timestamp packet if it has waited for + * a timestamp for more than one second. + * + * Return: extended timestamp (to 64b). + */ +u64 iavf_ptp_extend_32b_timestamp(u64 cached_phc_time, u32 in_tstamp) +{ + u32 low = lower_32_bits(cached_phc_time); + u32 delta = in_tstamp - low; + u64 ns; + + /* Do not assume that the in_tstamp is always more recent than the + * cached PHC time. If the delta is large, it indicates that the + * in_tstamp was taken in the past, and should be converted + * forward. + */ + if (delta > S32_MAX) + ns = cached_phc_time - (low - in_tstamp); + else + ns = cached_phc_time + delta; + + return ns; +} diff --git a/drivers/net/ethernet/intel/iavf/iavf_ptp.h b/drivers/net/ethernet/intel/iavf/iavf_ptp.h new file mode 100644 index 000000000000..783b8f287cd9 --- /dev/null +++ b/drivers/net/ethernet/intel/iavf/iavf_ptp.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2024 Intel Corporation. */ + +#ifndef _IAVF_PTP_H_ +#define _IAVF_PTP_H_ + +#include "iavf_types.h" + +/* bit indicating whether a 40bit timestamp is valid */ +#define IAVF_PTP_40B_TSTAMP_VALID BIT(24) + +#if IS_ENABLED(CONFIG_PTP_1588_CLOCK) +void iavf_ptp_init(struct iavf_adapter *adapter); +void iavf_ptp_release(struct iavf_adapter *adapter); +void iavf_ptp_process_caps(struct iavf_adapter *adapter); +bool iavf_ptp_cap_supported(const struct iavf_adapter *adapter, u32 cap); +void iavf_virtchnl_send_ptp_cmd(struct iavf_adapter *adapter); +int iavf_ptp_set_ts_config(struct iavf_adapter *adapter, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack); +u64 iavf_ptp_extend_32b_timestamp(u64 cached_phc_time, u32 in_tstamp); +#else /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */ +static inline void iavf_ptp_init(struct iavf_adapter *adapter) { } +static inline void iavf_ptp_release(struct iavf_adapter *adapter) { } +static inline void iavf_ptp_process_caps(struct iavf_adapter *adapter) { } +static inline bool iavf_ptp_cap_supported(const struct iavf_adapter *adapter, + u32 cap) +{ + return false; +} + +static inline void iavf_virtchnl_send_ptp_cmd(struct iavf_adapter *adapter) { } +static inline int iavf_ptp_set_ts_config(struct iavf_adapter *adapter, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) +{ + return -1; +} + +static inline u64 iavf_ptp_extend_32b_timestamp(u64 cached_phc_time, + u32 in_tstamp) +{ + return 0; +} + +#endif /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */ +#endif /* _IAVF_PTP_H_ */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_trace.h b/drivers/net/ethernet/intel/iavf/iavf_trace.h index 62212011c807..c5e4d1823886 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_trace.h +++ b/drivers/net/ethernet/intel/iavf/iavf_trace.h @@ -112,7 +112,7 @@ DECLARE_EVENT_CLASS( iavf_rx_template, TP_PROTO(struct iavf_ring *ring, - union iavf_32byte_rx_desc *desc, + struct iavf_rx_desc *desc, struct sk_buff *skb), TP_ARGS(ring, desc, skb), @@ -140,7 +140,7 @@ DECLARE_EVENT_CLASS( DEFINE_EVENT( iavf_rx_template, iavf_clean_rx_irq, TP_PROTO(struct iavf_ring *ring, - union iavf_32byte_rx_desc *desc, + struct iavf_rx_desc *desc, struct sk_buff *skb), TP_ARGS(ring, desc, skb)); @@ -148,7 +148,7 @@ DEFINE_EVENT( DEFINE_EVENT( iavf_rx_template, iavf_clean_rx_irq_rx, TP_PROTO(struct iavf_ring *ring, - union iavf_32byte_rx_desc *desc, + struct iavf_rx_desc *desc, struct sk_buff *skb), TP_ARGS(ring, desc, skb)); diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index 26b424fd6718..363c42bf3dcf 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -8,6 +8,26 @@ #include "iavf.h" #include "iavf_trace.h" #include "iavf_prototype.h" +#include "iavf_ptp.h" + +/** + * iavf_is_descriptor_done - tests DD bit in Rx descriptor + * @qw1: quad word 1 from descriptor to get Descriptor Done field from + * @flex: is the descriptor flex or legacy + * + * This function tests the descriptor done bit in specified descriptor. Because + * there are two types of descriptors (legacy and flex) the parameter rx_ring + * is used to distinguish. + * + * Return: true or false based on the state of DD bit in Rx descriptor. + */ +static bool iavf_is_descriptor_done(u64 qw1, bool flex) +{ + if (flex) + return FIELD_GET(IAVF_RXD_FLEX_DD_M, qw1); + else + return FIELD_GET(IAVF_RXD_LEGACY_DD_M, qw1); +} static __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size, u32 td_tag) @@ -703,7 +723,7 @@ static void iavf_clean_rx_ring(struct iavf_ring *rx_ring) for (u32 i = rx_ring->next_to_clean; i != rx_ring->next_to_use; ) { const struct libeth_fqe *rx_fqes = &rx_ring->rx_fqes[i]; - page_pool_put_full_page(rx_ring->pp, rx_fqes->page, false); + libeth_rx_recycle_slow(rx_fqes->netmem); if (unlikely(++i == rx_ring->count)) i = 0; @@ -766,7 +786,7 @@ int iavf_setup_rx_descriptors(struct iavf_ring *rx_ring) u64_stats_init(&rx_ring->syncp); /* Round up to nearest 4K */ - rx_ring->size = rx_ring->count * sizeof(union iavf_32byte_rx_desc); + rx_ring->size = rx_ring->count * sizeof(struct iavf_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); rx_ring->desc = dma_alloc_coherent(fq.pp->p.dev, rx_ring->size, &rx_ring->dma, GFP_KERNEL); @@ -845,7 +865,7 @@ bool iavf_alloc_rx_buffers(struct iavf_ring *rx_ring, u16 cleaned_count) .count = rx_ring->count, }; u16 ntu = rx_ring->next_to_use; - union iavf_rx_desc *rx_desc; + struct iavf_rx_desc *rx_desc; /* do nothing if no valid netdev defined */ if (!rx_ring->netdev || !cleaned_count) @@ -863,7 +883,7 @@ bool iavf_alloc_rx_buffers(struct iavf_ring *rx_ring, u16 cleaned_count) /* Refresh the desc even if buffer_addrs didn't change * because each write-back erases this info. */ - rx_desc->read.pkt_addr = cpu_to_le64(addr); + rx_desc->qw0 = cpu_to_le64(addr); rx_desc++; ntu++; @@ -873,7 +893,7 @@ bool iavf_alloc_rx_buffers(struct iavf_ring *rx_ring, u16 cleaned_count) } /* clear the status bits for the next_to_use descriptor */ - rx_desc->wb.qword1.status_error_len = 0; + rx_desc->qw1 = 0; cleaned_count--; } while (cleaned_count); @@ -896,60 +916,43 @@ no_buffers: } /** - * iavf_rx_checksum - Indicate in skb if hw indicated a good cksum + * iavf_rx_csum - Indicate in skb if hw indicated a good checksum * @vsi: the VSI we care about * @skb: skb currently being received and modified - * @rx_desc: the receive descriptor + * @decoded_pt: decoded ptype information + * @csum_bits: decoded Rx descriptor information **/ -static void iavf_rx_checksum(struct iavf_vsi *vsi, - struct sk_buff *skb, - union iavf_rx_desc *rx_desc) +static void iavf_rx_csum(const struct iavf_vsi *vsi, struct sk_buff *skb, + struct libeth_rx_pt decoded_pt, + struct libeth_rx_csum csum_bits) { - struct libeth_rx_pt decoded; - u32 rx_error, rx_status; bool ipv4, ipv6; - u8 ptype; - u64 qword; skb->ip_summed = CHECKSUM_NONE; - qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword); - - decoded = libie_rx_pt_parse(ptype); - if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded)) - return; - - rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword); - rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword); - /* did the hardware decode the packet and checksum? */ - if (!(rx_status & BIT(IAVF_RX_DESC_STATUS_L3L4P_SHIFT))) + if (unlikely(!csum_bits.l3l4p)) return; - ipv4 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV4; - ipv6 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV6; + ipv4 = libeth_rx_pt_get_ip_ver(decoded_pt) == LIBETH_RX_PT_OUTER_IPV4; + ipv6 = libeth_rx_pt_get_ip_ver(decoded_pt) == LIBETH_RX_PT_OUTER_IPV6; - if (ipv4 && - (rx_error & (BIT(IAVF_RX_DESC_ERROR_IPE_SHIFT) | - BIT(IAVF_RX_DESC_ERROR_EIPE_SHIFT)))) + if (unlikely(ipv4 && (csum_bits.ipe || csum_bits.eipe))) goto checksum_fail; /* likely incorrect csum if alternate IP extension headers found */ - if (ipv6 && - rx_status & BIT(IAVF_RX_DESC_STATUS_IPV6EXADD_SHIFT)) - /* don't increment checksum err here, non-fatal err */ + if (unlikely(ipv6 && csum_bits.ipv6exadd)) return; /* there was some L4 error, count error and punt packet to the stack */ - if (rx_error & BIT(IAVF_RX_DESC_ERROR_L4E_SHIFT)) + if (unlikely(csum_bits.l4e)) goto checksum_fail; /* handle packets that were not able to be checksummed due * to arrival speed, in this case the stack can compute * the csum. */ - if (rx_error & BIT(IAVF_RX_DESC_ERROR_PPRS_SHIFT)) + if (unlikely(csum_bits.pprs)) return; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -960,52 +963,196 @@ checksum_fail: } /** - * iavf_rx_hash - set the hash value in the skb + * iavf_legacy_rx_csum - Indicate in skb if hw indicated a good checksum + * @vsi: the VSI we care about + * @qw1: quad word 1 + * @decoded_pt: decoded packet type + * + * This function only operates on the VIRTCHNL_RXDID_1_32B_BASE legacy 32byte + * descriptor writeback format. + * + * Return: decoded checksum bits. + **/ +static struct libeth_rx_csum +iavf_legacy_rx_csum(const struct iavf_vsi *vsi, u64 qw1, + const struct libeth_rx_pt decoded_pt) +{ + struct libeth_rx_csum csum_bits = {}; + + if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded_pt)) + return csum_bits; + + csum_bits.ipe = FIELD_GET(IAVF_RXD_LEGACY_IPE_M, qw1); + csum_bits.eipe = FIELD_GET(IAVF_RXD_LEGACY_EIPE_M, qw1); + csum_bits.l4e = FIELD_GET(IAVF_RXD_LEGACY_L4E_M, qw1); + csum_bits.pprs = FIELD_GET(IAVF_RXD_LEGACY_PPRS_M, qw1); + csum_bits.l3l4p = FIELD_GET(IAVF_RXD_LEGACY_L3L4P_M, qw1); + csum_bits.ipv6exadd = FIELD_GET(IAVF_RXD_LEGACY_IPV6EXADD_M, qw1); + + return csum_bits; +} + +/** + * iavf_flex_rx_csum - Indicate in skb if hw indicated a good checksum + * @vsi: the VSI we care about + * @qw1: quad word 1 + * @decoded_pt: decoded packet type + * + * This function only operates on the VIRTCHNL_RXDID_2_FLEX_SQ_NIC flexible + * descriptor writeback format. + * + * Return: decoded checksum bits. + **/ +static struct libeth_rx_csum +iavf_flex_rx_csum(const struct iavf_vsi *vsi, u64 qw1, + const struct libeth_rx_pt decoded_pt) +{ + struct libeth_rx_csum csum_bits = {}; + + if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded_pt)) + return csum_bits; + + csum_bits.ipe = FIELD_GET(IAVF_RXD_FLEX_XSUM_IPE_M, qw1); + csum_bits.eipe = FIELD_GET(IAVF_RXD_FLEX_XSUM_EIPE_M, qw1); + csum_bits.l4e = FIELD_GET(IAVF_RXD_FLEX_XSUM_L4E_M, qw1); + csum_bits.eudpe = FIELD_GET(IAVF_RXD_FLEX_XSUM_EUDPE_M, qw1); + csum_bits.l3l4p = FIELD_GET(IAVF_RXD_FLEX_L3L4P_M, qw1); + csum_bits.ipv6exadd = FIELD_GET(IAVF_RXD_FLEX_IPV6EXADD_M, qw1); + csum_bits.nat = FIELD_GET(IAVF_RXD_FLEX_NAT_M, qw1); + + return csum_bits; +} + +/** + * iavf_legacy_rx_hash - set the hash value in the skb + * @ring: descriptor ring + * @qw0: quad word 0 + * @qw1: quad word 1 + * @skb: skb currently being received and modified + * @decoded_pt: decoded packet type + * + * This function only operates on the VIRTCHNL_RXDID_1_32B_BASE legacy 32byte + * descriptor writeback format. + **/ +static void iavf_legacy_rx_hash(const struct iavf_ring *ring, __le64 qw0, + __le64 qw1, struct sk_buff *skb, + const struct libeth_rx_pt decoded_pt) +{ + const __le64 rss_mask = cpu_to_le64(IAVF_RXD_LEGACY_FLTSTAT_M); + u32 hash; + + if (!libeth_rx_pt_has_hash(ring->netdev, decoded_pt)) + return; + + if ((qw1 & rss_mask) == rss_mask) { + hash = le64_get_bits(qw0, IAVF_RXD_LEGACY_RSS_M); + libeth_rx_pt_set_hash(skb, hash, decoded_pt); + } +} + +/** + * iavf_flex_rx_hash - set the hash value in the skb * @ring: descriptor ring - * @rx_desc: specific descriptor + * @qw1: quad word 1 * @skb: skb currently being received and modified - * @rx_ptype: Rx packet type + * @decoded_pt: decoded packet type + * + * This function only operates on the VIRTCHNL_RXDID_2_FLEX_SQ_NIC flexible + * descriptor writeback format. **/ -static void iavf_rx_hash(struct iavf_ring *ring, - union iavf_rx_desc *rx_desc, - struct sk_buff *skb, - u8 rx_ptype) +static void iavf_flex_rx_hash(const struct iavf_ring *ring, __le64 qw1, + struct sk_buff *skb, + const struct libeth_rx_pt decoded_pt) { - struct libeth_rx_pt decoded; + bool rss_valid; u32 hash; - const __le64 rss_mask = - cpu_to_le64((u64)IAVF_RX_DESC_FLTSTAT_RSS_HASH << - IAVF_RX_DESC_STATUS_FLTSTAT_SHIFT); - decoded = libie_rx_pt_parse(rx_ptype); - if (!libeth_rx_pt_has_hash(ring->netdev, decoded)) + if (!libeth_rx_pt_has_hash(ring->netdev, decoded_pt)) return; - if ((rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) { - hash = le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss); - libeth_rx_pt_set_hash(skb, hash, decoded); + rss_valid = le64_get_bits(qw1, IAVF_RXD_FLEX_RSS_VALID_M); + if (rss_valid) { + hash = le64_get_bits(qw1, IAVF_RXD_FLEX_RSS_HASH_M); + libeth_rx_pt_set_hash(skb, hash, decoded_pt); } } /** + * iavf_flex_rx_tstamp - Capture Rx timestamp from the descriptor + * @rx_ring: descriptor ring + * @qw2: quad word 2 of descriptor + * @qw3: quad word 3 of descriptor + * @skb: skb currently being received + * + * Read the Rx timestamp value from the descriptor and pass it to the stack. + * + * This function only operates on the VIRTCHNL_RXDID_2_FLEX_SQ_NIC flexible + * descriptor writeback format. + */ +static void iavf_flex_rx_tstamp(const struct iavf_ring *rx_ring, __le64 qw2, + __le64 qw3, struct sk_buff *skb) +{ + u32 tstamp; + u64 ns; + + /* Skip processing if timestamps aren't enabled */ + if (!(rx_ring->flags & IAVF_TXRX_FLAGS_HW_TSTAMP)) + return; + + /* Check if this Rx descriptor has a valid timestamp */ + if (!le64_get_bits(qw2, IAVF_PTP_40B_TSTAMP_VALID)) + return; + + /* the ts_low field only contains the valid bit and sub-nanosecond + * precision, so we don't need to extract it. + */ + tstamp = le64_get_bits(qw3, IAVF_RXD_FLEX_QW3_TSTAMP_HIGH_M); + + ns = iavf_ptp_extend_32b_timestamp(rx_ring->ptp->cached_phc_time, + tstamp); + + *skb_hwtstamps(skb) = (struct skb_shared_hwtstamps) { + .hwtstamp = ns_to_ktime(ns), + }; +} + +/** * iavf_process_skb_fields - Populate skb header fields from Rx descriptor * @rx_ring: rx descriptor ring packet is being transacted on * @rx_desc: pointer to the EOP Rx descriptor * @skb: pointer to current skb being populated - * @rx_ptype: the packet type decoded by hardware + * @ptype: the packet type decoded by hardware + * @flex: is the descriptor flex or legacy * * This function checks the ring, descriptor, and packet information in * order to populate the hash, checksum, VLAN, protocol, and * other fields within the skb. **/ -static void -iavf_process_skb_fields(struct iavf_ring *rx_ring, - union iavf_rx_desc *rx_desc, struct sk_buff *skb, - u8 rx_ptype) +static void iavf_process_skb_fields(const struct iavf_ring *rx_ring, + const struct iavf_rx_desc *rx_desc, + struct sk_buff *skb, u32 ptype, + bool flex) { - iavf_rx_hash(rx_ring, rx_desc, skb, rx_ptype); - - iavf_rx_checksum(rx_ring->vsi, skb, rx_desc); + struct libeth_rx_csum csum_bits; + struct libeth_rx_pt decoded_pt; + __le64 qw0 = rx_desc->qw0; + __le64 qw1 = rx_desc->qw1; + __le64 qw2 = rx_desc->qw2; + __le64 qw3 = rx_desc->qw3; + + decoded_pt = libie_rx_pt_parse(ptype); + + if (flex) { + iavf_flex_rx_hash(rx_ring, qw1, skb, decoded_pt); + iavf_flex_rx_tstamp(rx_ring, qw2, qw3, skb); + csum_bits = iavf_flex_rx_csum(rx_ring->vsi, le64_to_cpu(qw1), + decoded_pt); + } else { + iavf_legacy_rx_hash(rx_ring, qw0, qw1, skb, decoded_pt); + csum_bits = iavf_legacy_rx_csum(rx_ring->vsi, le64_to_cpu(qw1), + decoded_pt); + } + iavf_rx_csum(rx_ring->vsi, skb, decoded_pt, csum_bits); skb_record_rx_queue(skb, rx_ring->queue_index); @@ -1050,10 +1197,11 @@ static void iavf_add_rx_frag(struct sk_buff *skb, const struct libeth_fqe *rx_buffer, unsigned int size) { - u32 hr = rx_buffer->page->pp->p.offset; + u32 hr = netmem_get_pp(rx_buffer->netmem)->p.offset; - skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, - rx_buffer->offset + hr, size, rx_buffer->truesize); + skb_add_rx_frag_netmem(skb, skb_shinfo(skb)->nr_frags, + rx_buffer->netmem, rx_buffer->offset + hr, + size, rx_buffer->truesize); } /** @@ -1067,12 +1215,13 @@ static void iavf_add_rx_frag(struct sk_buff *skb, static struct sk_buff *iavf_build_skb(const struct libeth_fqe *rx_buffer, unsigned int size) { - u32 hr = rx_buffer->page->pp->p.offset; + struct page *buf_page = __netmem_to_page(rx_buffer->netmem); + u32 hr = pp_page_to_nmdesc(buf_page)->pp->p.offset; struct sk_buff *skb; void *va; /* prefetch first cache line of first page */ - va = page_address(rx_buffer->page) + rx_buffer->offset; + va = page_address(buf_page) + rx_buffer->offset; net_prefetch(va + hr); /* build an skb around the page buffer */ @@ -1092,8 +1241,7 @@ static struct sk_buff *iavf_build_skb(const struct libeth_fqe *rx_buffer, /** * iavf_is_non_eop - process handling of non-EOP buffers * @rx_ring: Rx ring being processed - * @rx_desc: Rx descriptor for current buffer - * @skb: Current socket buffer containing buffer in progress + * @fields: Rx descriptor extracted fields * * This function updates next to clean. If the buffer is an EOP buffer * this function exits returning false, otherwise it will place the @@ -1101,8 +1249,7 @@ static struct sk_buff *iavf_build_skb(const struct libeth_fqe *rx_buffer, * that this is in fact a non-EOP buffer. **/ static bool iavf_is_non_eop(struct iavf_ring *rx_ring, - union iavf_rx_desc *rx_desc, - struct sk_buff *skb) + struct libeth_rqe_info fields) { u32 ntc = rx_ring->next_to_clean + 1; @@ -1113,8 +1260,7 @@ static bool iavf_is_non_eop(struct iavf_ring *rx_ring, prefetch(IAVF_RX_DESC(rx_ring, ntc)); /* if we are the last buffer then there is nothing else to do */ -#define IAVF_RXD_EOF BIT(IAVF_RX_DESC_STATUS_EOF_SHIFT) - if (likely(iavf_test_staterr(rx_desc, IAVF_RXD_EOF))) + if (likely(fields.eop)) return false; rx_ring->rx_stats.non_eop_descs++; @@ -1123,6 +1269,109 @@ static bool iavf_is_non_eop(struct iavf_ring *rx_ring, } /** + * iavf_extract_legacy_rx_fields - Extract fields from the Rx descriptor + * @rx_ring: rx descriptor ring + * @rx_desc: the descriptor to process + * + * Decode the Rx descriptor and extract relevant information including the + * size, VLAN tag, Rx packet type, end of packet field and RXE field value. + * + * This function only operates on the VIRTCHNL_RXDID_1_32B_BASE legacy 32byte + * descriptor writeback format. + * + * Return: fields extracted from the Rx descriptor. + */ +static struct libeth_rqe_info +iavf_extract_legacy_rx_fields(const struct iavf_ring *rx_ring, + const struct iavf_rx_desc *rx_desc) +{ + u64 qw0 = le64_to_cpu(rx_desc->qw0); + u64 qw1 = le64_to_cpu(rx_desc->qw1); + u64 qw2 = le64_to_cpu(rx_desc->qw2); + struct libeth_rqe_info fields; + bool l2tag1p, l2tag2p; + + fields.eop = FIELD_GET(IAVF_RXD_LEGACY_EOP_M, qw1); + fields.len = FIELD_GET(IAVF_RXD_LEGACY_LENGTH_M, qw1); + + if (!fields.eop) + return fields; + + fields.rxe = FIELD_GET(IAVF_RXD_LEGACY_RXE_M, qw1); + fields.ptype = FIELD_GET(IAVF_RXD_LEGACY_PTYPE_M, qw1); + fields.vlan = 0; + + if (rx_ring->flags & IAVF_TXRX_FLAGS_VLAN_TAG_LOC_L2TAG1) { + l2tag1p = FIELD_GET(IAVF_RXD_LEGACY_L2TAG1P_M, qw1); + if (l2tag1p) + fields.vlan = FIELD_GET(IAVF_RXD_LEGACY_L2TAG1_M, qw0); + } else if (rx_ring->flags & IAVF_RXR_FLAGS_VLAN_TAG_LOC_L2TAG2_2) { + l2tag2p = FIELD_GET(IAVF_RXD_LEGACY_L2TAG2P_M, qw2); + if (l2tag2p) + fields.vlan = FIELD_GET(IAVF_RXD_LEGACY_L2TAG2_M, qw2); + } + + return fields; +} + +/** + * iavf_extract_flex_rx_fields - Extract fields from the Rx descriptor + * @rx_ring: rx descriptor ring + * @rx_desc: the descriptor to process + * + * Decode the Rx descriptor and extract relevant information including the + * size, VLAN tag, Rx packet type, end of packet field and RXE field value. + * + * This function only operates on the VIRTCHNL_RXDID_2_FLEX_SQ_NIC flexible + * descriptor writeback format. + * + * Return: fields extracted from the Rx descriptor. + */ +static struct libeth_rqe_info +iavf_extract_flex_rx_fields(const struct iavf_ring *rx_ring, + const struct iavf_rx_desc *rx_desc) +{ + struct libeth_rqe_info fields = {}; + u64 qw0 = le64_to_cpu(rx_desc->qw0); + u64 qw1 = le64_to_cpu(rx_desc->qw1); + u64 qw2 = le64_to_cpu(rx_desc->qw2); + bool l2tag1p, l2tag2p; + + fields.eop = FIELD_GET(IAVF_RXD_FLEX_EOP_M, qw1); + fields.len = FIELD_GET(IAVF_RXD_FLEX_PKT_LEN_M, qw0); + + if (!fields.eop) + return fields; + + fields.rxe = FIELD_GET(IAVF_RXD_FLEX_RXE_M, qw1); + fields.ptype = FIELD_GET(IAVF_RXD_FLEX_PTYPE_M, qw0); + fields.vlan = 0; + + if (rx_ring->flags & IAVF_TXRX_FLAGS_VLAN_TAG_LOC_L2TAG1) { + l2tag1p = FIELD_GET(IAVF_RXD_FLEX_L2TAG1P_M, qw1); + if (l2tag1p) + fields.vlan = FIELD_GET(IAVF_RXD_FLEX_L2TAG1_M, qw1); + } else if (rx_ring->flags & IAVF_RXR_FLAGS_VLAN_TAG_LOC_L2TAG2_2) { + l2tag2p = FIELD_GET(IAVF_RXD_FLEX_L2TAG2P_M, qw2); + if (l2tag2p) + fields.vlan = FIELD_GET(IAVF_RXD_FLEX_L2TAG2_2_M, qw2); + } + + return fields; +} + +static struct libeth_rqe_info +iavf_extract_rx_fields(const struct iavf_ring *rx_ring, + const struct iavf_rx_desc *rx_desc, + bool flex) +{ + if (flex) + return iavf_extract_flex_rx_fields(rx_ring, rx_desc); + else + return iavf_extract_legacy_rx_fields(rx_ring, rx_desc); +} + +/** * iavf_clean_rx_irq - Clean completed descriptors from Rx ring - bounce buf * @rx_ring: rx descriptor ring to transact packets on * @budget: Total limit on number of packets to process @@ -1136,18 +1385,17 @@ static bool iavf_is_non_eop(struct iavf_ring *rx_ring, **/ static int iavf_clean_rx_irq(struct iavf_ring *rx_ring, int budget) { + bool flex = rx_ring->rxdid == VIRTCHNL_RXDID_2_FLEX_SQ_NIC; unsigned int total_rx_bytes = 0, total_rx_packets = 0; struct sk_buff *skb = rx_ring->skb; u16 cleaned_count = IAVF_DESC_UNUSED(rx_ring); bool failure = false; while (likely(total_rx_packets < (unsigned int)budget)) { + struct libeth_rqe_info fields; struct libeth_fqe *rx_buffer; - union iavf_rx_desc *rx_desc; - unsigned int size; - u16 vlan_tag = 0; - u8 rx_ptype; - u64 qword; + struct iavf_rx_desc *rx_desc; + u64 qw1; /* return some buffers to hardware, one at a time is too slow */ if (cleaned_count >= IAVF_RX_BUFFER_WRITE) { @@ -1158,35 +1406,32 @@ static int iavf_clean_rx_irq(struct iavf_ring *rx_ring, int budget) rx_desc = IAVF_RX_DESC(rx_ring, rx_ring->next_to_clean); - /* status_error_len will always be zero for unused descriptors - * because it's cleared in cleanup, and overlaps with hdr_addr - * which is always zero because packet split isn't used, if the - * hardware wrote DD then the length will be non-zero - */ - qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - /* This memory barrier is needed to keep us from reading * any other fields out of the rx_desc until we have * verified the descriptor has been written back. */ dma_rmb(); -#define IAVF_RXD_DD BIT(IAVF_RX_DESC_STATUS_DD_SHIFT) - if (!iavf_test_staterr(rx_desc, IAVF_RXD_DD)) + + qw1 = le64_to_cpu(rx_desc->qw1); + /* If DD field (descriptor done) is unset then other fields are + * not valid + */ + if (!iavf_is_descriptor_done(qw1, flex)) break; - size = FIELD_GET(IAVF_RXD_QW1_LENGTH_PBUF_MASK, qword); + fields = iavf_extract_rx_fields(rx_ring, rx_desc, flex); iavf_trace(clean_rx_irq, rx_ring, rx_desc, skb); rx_buffer = &rx_ring->rx_fqes[rx_ring->next_to_clean]; - if (!libeth_rx_sync_for_cpu(rx_buffer, size)) + if (!libeth_rx_sync_for_cpu(rx_buffer, fields.len)) goto skip_data; /* retrieve a buffer from the ring */ if (skb) - iavf_add_rx_frag(skb, rx_buffer, size); + iavf_add_rx_frag(skb, rx_buffer, fields.len); else - skb = iavf_build_skb(rx_buffer, size); + skb = iavf_build_skb(rx_buffer, fields.len); /* exit if we failed to retrieve a buffer */ if (!skb) { @@ -1197,15 +1442,14 @@ static int iavf_clean_rx_irq(struct iavf_ring *rx_ring, int budget) skip_data: cleaned_count++; - if (iavf_is_non_eop(rx_ring, rx_desc, skb) || unlikely(!skb)) + if (iavf_is_non_eop(rx_ring, fields) || unlikely(!skb)) continue; - /* ERR_MASK will only have valid bits if EOP set, and - * what we are doing here is actually checking - * IAVF_RX_DESC_ERROR_RXE_SHIFT, since it is the zeroth bit in - * the error field + /* RXE field in descriptor is an indication of the MAC errors + * (like CRC, alignment, oversize etc). If it is set then iavf + * should finish. */ - if (unlikely(iavf_test_staterr(rx_desc, BIT(IAVF_RXD_QW1_ERROR_SHIFT)))) { + if (unlikely(fields.rxe)) { dev_kfree_skb_any(skb); skb = NULL; continue; @@ -1219,22 +1463,11 @@ skip_data: /* probably a little skewed due to removing CRC */ total_rx_bytes += skb->len; - qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - rx_ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword); - /* populate checksum, VLAN, and protocol */ - iavf_process_skb_fields(rx_ring, rx_desc, skb, rx_ptype); - - if (qword & BIT(IAVF_RX_DESC_STATUS_L2TAG1P_SHIFT) && - rx_ring->flags & IAVF_TXRX_FLAGS_VLAN_TAG_LOC_L2TAG1) - vlan_tag = le16_to_cpu(rx_desc->wb.qword0.lo_dword.l2tag1); - if (rx_desc->wb.qword2.ext_status & - cpu_to_le16(BIT(IAVF_RX_DESC_EXT_STATUS_L2TAG2P_SHIFT)) && - rx_ring->flags & IAVF_RXR_FLAGS_VLAN_TAG_LOC_L2TAG2_2) - vlan_tag = le16_to_cpu(rx_desc->wb.qword2.l2tag2_2); + iavf_process_skb_fields(rx_ring, rx_desc, skb, fields.ptype, flex); iavf_trace(clean_rx_irq_rx, rx_ring, rx_desc, skb); - iavf_receive_skb(rx_ring, skb, vlan_tag); + iavf_receive_skb(rx_ring, skb, fields.vlan); skb = NULL; /* update budget accounting */ @@ -1417,7 +1650,8 @@ int iavf_napi_poll(struct napi_struct *napi, int budget) * continue to poll, otherwise we must stop polling so the * interrupt can move to the correct cpu. */ - if (!cpumask_test_cpu(cpu_id, &q_vector->affinity_mask)) { + if (!cpumask_test_cpu(cpu_id, + &q_vector->napi.config->affinity_mask)) { /* Tell napi that we are done polling */ napi_complete_done(napi, work_done); diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.h b/drivers/net/ethernet/intel/iavf/iavf_txrx.h index f97c702c0802..df49b0b1d54a 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.h +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.h @@ -4,6 +4,8 @@ #ifndef _IAVF_TXRX_H_ #define _IAVF_TXRX_H_ +#include <linux/net/intel/libie/pctype.h> + /* Interrupt Throttling and Rate Limiting Goodies */ #define IAVF_DEFAULT_IRQ_WORK 256 @@ -59,45 +61,26 @@ enum iavf_dyn_idx_t { #define IAVF_PE_ITR IAVF_IDX_ITR2 /* Supported RSS offloads */ -#define IAVF_DEFAULT_RSS_HENA ( \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV4_UDP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV4_SCTP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV4_TCP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV4_OTHER) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_FRAG_IPV4) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV6_UDP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV6_TCP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV6_SCTP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV6_OTHER) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_FRAG_IPV6) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_L2_PAYLOAD)) - -#define IAVF_DEFAULT_RSS_HENA_EXPANDED (IAVF_DEFAULT_RSS_HENA | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \ - BIT_ULL(IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP)) - -#define iavf_rx_desc iavf_32byte_rx_desc - -/** - * iavf_test_staterr - tests bits in Rx descriptor status and error fields - * @rx_desc: pointer to receive descriptor (in le64 format) - * @stat_err_bits: value to mask - * - * This function does some fast chicanery in order to return the - * value of the mask which is really only used for boolean tests. - * The status_error_len doesn't need to be shifted because it begins - * at offset zero. - */ -static inline bool iavf_test_staterr(union iavf_rx_desc *rx_desc, - const u64 stat_err_bits) -{ - return !!(rx_desc->wb.qword1.status_error_len & - cpu_to_le64(stat_err_bits)); -} +#define IAVF_DEFAULT_RSS_HASHCFG ( \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV4_UDP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV4_SCTP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV4_TCP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV4_OTHER) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_FRAG_IPV4) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV6_UDP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV6_TCP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV6_SCTP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV6_OTHER) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_FRAG_IPV6) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_L2_PAYLOAD)) + +#define IAVF_DEFAULT_RSS_HASHCFG_EXPANDED (IAVF_DEFAULT_RSS_HASHCFG | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \ + BIT_ULL(LIBIE_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP)) /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define IAVF_RX_INCREMENT(r, i) \ @@ -262,6 +245,8 @@ struct iavf_ring { u16 next_to_use; u16 next_to_clean; + u16 rxdid; /* Rx descriptor format */ + u16 flags; #define IAVF_TXR_FLAGS_WB_ON_ITR BIT(0) #define IAVF_TXR_FLAGS_ARM_WB BIT(1) @@ -269,6 +254,7 @@ struct iavf_ring { #define IAVF_TXRX_FLAGS_VLAN_TAG_LOC_L2TAG1 BIT(3) #define IAVF_TXR_FLAGS_VLAN_TAG_LOC_L2TAG2 BIT(4) #define IAVF_RXR_FLAGS_VLAN_TAG_LOC_L2TAG2_2 BIT(5) +#define IAVF_TXRX_FLAGS_HW_TSTAMP BIT(6) /* stats structs */ struct iavf_queue_stats stats; @@ -295,6 +281,8 @@ struct iavf_ring { * for this ring. */ + struct iavf_ptp *ptp; + u32 rx_buf_len; struct net_shaper q_shaper; bool q_shaper_update; diff --git a/drivers/net/ethernet/intel/iavf/iavf_type.h b/drivers/net/ethernet/intel/iavf/iavf_type.h index f6b09e57abce..1d8cf29cb65a 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_type.h +++ b/drivers/net/ethernet/intel/iavf/iavf_type.h @@ -19,7 +19,7 @@ /* forward declaration */ struct iavf_hw; -typedef void (*IAVF_ADMINQ_CALLBACK)(struct iavf_hw *, struct iavf_aq_desc *); +typedef void (*IAVF_ADMINQ_CALLBACK)(struct iavf_hw *, struct libie_aq_desc *); /* Data type manipulation macros. */ @@ -178,110 +178,116 @@ struct iavf_hw { char err_str[16]; }; -/* RX Descriptors */ -union iavf_16byte_rx_desc { - struct { - __le64 pkt_addr; /* Packet buffer address */ - __le64 hdr_addr; /* Header buffer address */ - } read; - struct { - struct { - struct { - union { - __le16 mirroring_status; - __le16 fcoe_ctx_id; - } mirr_fcoe; - __le16 l2tag1; - } lo_dword; - union { - __le32 rss; /* RSS Hash */ - __le32 fd_id; /* Flow director filter id */ - __le32 fcoe_param; /* FCoE DDP Context id */ - } hi_dword; - } qword0; - struct { - /* ext status/error/pktype/length */ - __le64 status_error_len; - } qword1; - } wb; /* writeback */ -}; - -union iavf_32byte_rx_desc { - struct { - __le64 pkt_addr; /* Packet buffer address */ - __le64 hdr_addr; /* Header buffer address */ - /* bit 0 of hdr_buffer_addr is DD bit */ - __le64 rsvd1; - __le64 rsvd2; - } read; - struct { - struct { - struct { - union { - __le16 mirroring_status; - __le16 fcoe_ctx_id; - } mirr_fcoe; - __le16 l2tag1; - } lo_dword; - union { - __le32 rss; /* RSS Hash */ - __le32 fcoe_param; /* FCoE DDP Context id */ - /* Flow director filter id in case of - * Programming status desc WB - */ - __le32 fd_id; - } hi_dword; - } qword0; - struct { - /* status/error/pktype/length */ - __le64 status_error_len; - } qword1; - struct { - __le16 ext_status; /* extended status */ - __le16 rsvd; - __le16 l2tag2_1; - __le16 l2tag2_2; - } qword2; - struct { - union { - __le32 flex_bytes_lo; - __le32 pe_status; - } lo_dword; - union { - __le32 flex_bytes_hi; - __le32 fd_id; - } hi_dword; - } qword3; - } wb; /* writeback */ -}; - -enum iavf_rx_desc_status_bits { - /* Note: These are predefined bit offsets */ - IAVF_RX_DESC_STATUS_DD_SHIFT = 0, - IAVF_RX_DESC_STATUS_EOF_SHIFT = 1, - IAVF_RX_DESC_STATUS_L2TAG1P_SHIFT = 2, - IAVF_RX_DESC_STATUS_L3L4P_SHIFT = 3, - IAVF_RX_DESC_STATUS_CRCP_SHIFT = 4, - IAVF_RX_DESC_STATUS_TSYNINDX_SHIFT = 5, /* 2 BITS */ - IAVF_RX_DESC_STATUS_TSYNVALID_SHIFT = 7, - /* Note: Bit 8 is reserved in X710 and XL710 */ - IAVF_RX_DESC_STATUS_EXT_UDP_0_SHIFT = 8, - IAVF_RX_DESC_STATUS_UMBCAST_SHIFT = 9, /* 2 BITS */ - IAVF_RX_DESC_STATUS_FLM_SHIFT = 11, - IAVF_RX_DESC_STATUS_FLTSTAT_SHIFT = 12, /* 2 BITS */ - IAVF_RX_DESC_STATUS_LPBK_SHIFT = 14, - IAVF_RX_DESC_STATUS_IPV6EXADD_SHIFT = 15, - IAVF_RX_DESC_STATUS_RESERVED_SHIFT = 16, /* 2 BITS */ - /* Note: For non-tunnel packets INT_UDP_0 is the right status for - * UDP header - */ - IAVF_RX_DESC_STATUS_INT_UDP_0_SHIFT = 18, - IAVF_RX_DESC_STATUS_LAST /* this entry must be last!!! */ -}; - -#define IAVF_RXD_QW1_STATUS_SHIFT 0 -#define IAVF_RXD_QW1_STATUS_MASK ((BIT(IAVF_RX_DESC_STATUS_LAST) - 1) \ - << IAVF_RXD_QW1_STATUS_SHIFT) +/** + * struct iavf_rx_desc - Receive descriptor (both legacy and flexible) + * @qw0: quad word 0 fields: + * Legacy: Descriptor Type; Mirror ID; L2TAG1P (S-TAG); Filter Status + * Flex: Descriptor Type; Mirror ID; UMBCAST; Packet Type; Flexible Flags + * Section 0; Packet Length; Header Length; Split Header Flag; + * Flexible Flags section 1 / Extended Status + * @qw1: quad word 1 fields: + * Legacy: Status Field; Error Field; Packet Type; Packet Length (packet, + * header, Split Header Flag) + * Flex: Status / Error 0 Field; L2TAG1P (S-TAG); Flexible Metadata + * Container #0; Flexible Metadata Container #1 + * @qw2: quad word 2 fields: + * Legacy: Extended Status; 1st L2TAG2P (C-TAG); 2nd L2TAG2P (C-TAG) + * Flex: Status / Error 1 Field; Flexible Flags section 2; Timestamp Low; + * 1st L2TAG2 (C-TAG); 2nd L2TAG2 (C-TAG) + * @qw3: quad word 3 fields: + * Legacy: FD Filter ID / Flexible Bytes + * Flex: Flexible Metadata Container #2; Flexible Metadata Container #3; + * Flexible Metadata Container #4 / Timestamp High 0; Flexible + * Metadata Container #5 / Timestamp High 1; + */ +struct iavf_rx_desc { + aligned_le64 qw0; +/* The hash signature (RSS) */ +#define IAVF_RXD_LEGACY_RSS_M GENMASK_ULL(63, 32) +/* Stripped C-TAG VLAN from the receive packet */ +#define IAVF_RXD_LEGACY_L2TAG1_M GENMASK_ULL(33, 16) +/* Packet type */ +#define IAVF_RXD_FLEX_PTYPE_M GENMASK_ULL(25, 16) +/* Packet length */ +#define IAVF_RXD_FLEX_PKT_LEN_M GENMASK_ULL(45, 32) + + aligned_le64 qw1; +/* Descriptor done indication flag. */ +#define IAVF_RXD_LEGACY_DD_M BIT(0) +/* End of packet. Set to 1 if this descriptor is the last one of the packet */ +#define IAVF_RXD_LEGACY_EOP_M BIT(1) +/* L2 TAG 1 presence indication */ +#define IAVF_RXD_LEGACY_L2TAG1P_M BIT(2) +/* Detectable L3 and L4 integrity check is processed by the HW */ +#define IAVF_RXD_LEGACY_L3L4P_M BIT(3) +/* Set when an IPv6 packet contains a Destination Options Header or a Routing + * Header. + */ +#define IAVF_RXD_LEGACY_IPV6EXADD_M BIT(15) +/* Receive MAC Errors: CRC; Alignment; Oversize; Undersizes; Length error */ +#define IAVF_RXD_LEGACY_RXE_M BIT(19) +/* Checksum reports: + * - IPE: IP checksum error + * - L4E: L4 integrity error + * - EIPE: External IP header (tunneled packets) + */ +#define IAVF_RXD_LEGACY_IPE_M BIT(22) +#define IAVF_RXD_LEGACY_L4E_M BIT(23) +#define IAVF_RXD_LEGACY_EIPE_M BIT(24) +/* Set for packets that skip checksum calculation in pre-parser */ +#define IAVF_RXD_LEGACY_PPRS_M BIT(26) +/* Indicates the content in the Filter Status field */ +#define IAVF_RXD_LEGACY_FLTSTAT_M GENMASK_ULL(13, 12) +/* Packet type */ +#define IAVF_RXD_LEGACY_PTYPE_M GENMASK_ULL(37, 30) +/* Packet length */ +#define IAVF_RXD_LEGACY_LENGTH_M GENMASK_ULL(51, 38) +/* Descriptor done indication flag */ +#define IAVF_RXD_FLEX_DD_M BIT(0) +/* End of packet. Set to 1 if this descriptor is the last one of the packet */ +#define IAVF_RXD_FLEX_EOP_M BIT(1) +/* Detectable L3 and L4 integrity check is processed by the HW */ +#define IAVF_RXD_FLEX_L3L4P_M BIT(3) +/* Checksum reports: + * - IPE: IP checksum error + * - L4E: L4 integrity error + * - EIPE: External IP header (tunneled packets) + * - EUDPE: External UDP checksum error (tunneled packets) + */ +#define IAVF_RXD_FLEX_XSUM_IPE_M BIT(4) +#define IAVF_RXD_FLEX_XSUM_L4E_M BIT(5) +#define IAVF_RXD_FLEX_XSUM_EIPE_M BIT(6) +#define IAVF_RXD_FLEX_XSUM_EUDPE_M BIT(7) +/* Set when an IPv6 packet contains a Destination Options Header or a Routing + * Header. + */ +#define IAVF_RXD_FLEX_IPV6EXADD_M BIT(9) +/* Receive MAC Errors: CRC; Alignment; Oversize; Undersizes; Length error */ +#define IAVF_RXD_FLEX_RXE_M BIT(10) +/* Indicates that the RSS/HASH result is valid */ +#define IAVF_RXD_FLEX_RSS_VALID_M BIT(12) +/* L2 TAG 1 presence indication */ +#define IAVF_RXD_FLEX_L2TAG1P_M BIT(13) +/* Stripped L2 Tag from the receive packet */ +#define IAVF_RXD_FLEX_L2TAG1_M GENMASK_ULL(31, 16) +/* The hash signature (RSS) */ +#define IAVF_RXD_FLEX_RSS_HASH_M GENMASK_ULL(63, 32) + + aligned_le64 qw2; +/* L2 Tag 2 Presence */ +#define IAVF_RXD_LEGACY_L2TAG2P_M BIT(0) +/* Stripped S-TAG VLAN from the receive packet */ +#define IAVF_RXD_LEGACY_L2TAG2_M GENMASK_ULL(63, 32) +/* Stripped S-TAG VLAN from the receive packet */ +#define IAVF_RXD_FLEX_L2TAG2_2_M GENMASK_ULL(63, 48) +/* The packet is a UDP tunneled packet */ +#define IAVF_RXD_FLEX_NAT_M BIT(4) +/* L2 Tag 2 Presence */ +#define IAVF_RXD_FLEX_L2TAG2P_M BIT(11) + aligned_le64 qw3; +#define IAVF_RXD_FLEX_QW3_TSTAMP_HIGH_M GENMASK_ULL(63, 32) +} __aligned(4 * sizeof(__le64)); +static_assert(sizeof(struct iavf_rx_desc) == 32); #define IAVF_RXD_QW1_STATUS_TSYNINDX_SHIFT IAVF_RX_DESC_STATUS_TSYNINDX_SHIFT #define IAVF_RXD_QW1_STATUS_TSYNINDX_MASK (0x3UL << \ @@ -298,22 +304,6 @@ enum iavf_rx_desc_fltstat_values { IAVF_RX_DESC_FLTSTAT_RSS_HASH = 3, }; -#define IAVF_RXD_QW1_ERROR_SHIFT 19 -#define IAVF_RXD_QW1_ERROR_MASK (0xFFUL << IAVF_RXD_QW1_ERROR_SHIFT) - -enum iavf_rx_desc_error_bits { - /* Note: These are predefined bit offsets */ - IAVF_RX_DESC_ERROR_RXE_SHIFT = 0, - IAVF_RX_DESC_ERROR_RECIPE_SHIFT = 1, - IAVF_RX_DESC_ERROR_HBO_SHIFT = 2, - IAVF_RX_DESC_ERROR_L3L4E_SHIFT = 3, /* 3 BITS */ - IAVF_RX_DESC_ERROR_IPE_SHIFT = 3, - IAVF_RX_DESC_ERROR_L4E_SHIFT = 4, - IAVF_RX_DESC_ERROR_EIPE_SHIFT = 5, - IAVF_RX_DESC_ERROR_OVERSIZE_SHIFT = 6, - IAVF_RX_DESC_ERROR_PPRS_SHIFT = 7 -}; - enum iavf_rx_desc_error_l3l4e_fcoe_masks { IAVF_RX_DESC_ERROR_L3L4E_NONE = 0, IAVF_RX_DESC_ERROR_L3L4E_PROT = 1, @@ -322,13 +312,6 @@ enum iavf_rx_desc_error_l3l4e_fcoe_masks { IAVF_RX_DESC_ERROR_L3L4E_DMAC_WARN = 4 }; -#define IAVF_RXD_QW1_PTYPE_SHIFT 30 -#define IAVF_RXD_QW1_PTYPE_MASK (0xFFULL << IAVF_RXD_QW1_PTYPE_SHIFT) - -#define IAVF_RXD_QW1_LENGTH_PBUF_SHIFT 38 -#define IAVF_RXD_QW1_LENGTH_PBUF_MASK (0x3FFFULL << \ - IAVF_RXD_QW1_LENGTH_PBUF_SHIFT) - #define IAVF_RXD_QW1_LENGTH_HBUF_SHIFT 52 #define IAVF_RXD_QW1_LENGTH_HBUF_MASK (0x7FFULL << \ IAVF_RXD_QW1_LENGTH_HBUF_SHIFT) @@ -347,6 +330,8 @@ enum iavf_rx_desc_ext_status_bits { IAVF_RX_DESC_EXT_STATUS_PELONGB_SHIFT = 11, }; +#define IAVF_RX_DESC_EXT_STATUS_L2TAG2P_M BIT(IAVF_RX_DESC_EXT_STATUS_L2TAG2P_SHIFT) + enum iavf_rx_desc_pe_status_bits { /* Note: These are predefined bit offsets */ IAVF_RX_DESC_PE_STATUS_QPID_SHIFT = 0, /* 18 BITS */ @@ -478,38 +463,6 @@ enum iavf_tx_ctx_desc_cmd_bits { IAVF_TX_CTX_DESC_SWPE = 0x40 }; -/* Packet Classifier Types for filters */ -enum iavf_filter_pctype { - /* Note: Values 0-28 are reserved for future use. - * Value 29, 30, 32 are not supported on XL710 and X710. - */ - IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP = 29, - IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP = 30, - IAVF_FILTER_PCTYPE_NONF_IPV4_UDP = 31, - IAVF_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK = 32, - IAVF_FILTER_PCTYPE_NONF_IPV4_TCP = 33, - IAVF_FILTER_PCTYPE_NONF_IPV4_SCTP = 34, - IAVF_FILTER_PCTYPE_NONF_IPV4_OTHER = 35, - IAVF_FILTER_PCTYPE_FRAG_IPV4 = 36, - /* Note: Values 37-38 are reserved for future use. - * Value 39, 40, 42 are not supported on XL710 and X710. - */ - IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP = 39, - IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP = 40, - IAVF_FILTER_PCTYPE_NONF_IPV6_UDP = 41, - IAVF_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK = 42, - IAVF_FILTER_PCTYPE_NONF_IPV6_TCP = 43, - IAVF_FILTER_PCTYPE_NONF_IPV6_SCTP = 44, - IAVF_FILTER_PCTYPE_NONF_IPV6_OTHER = 45, - IAVF_FILTER_PCTYPE_FRAG_IPV6 = 46, - /* Note: Value 47 is reserved for future use */ - IAVF_FILTER_PCTYPE_FCOE_OX = 48, - IAVF_FILTER_PCTYPE_FCOE_RX = 49, - IAVF_FILTER_PCTYPE_FCOE_OTHER = 50, - /* Note: Values 51-62 are reserved for future use */ - IAVF_FILTER_PCTYPE_L2_PAYLOAD = 63, -}; - #define IAVF_TXD_CTX_QW1_TSO_LEN_SHIFT 30 #define IAVF_TXD_CTX_QW1_TSO_LEN_MASK (0x3FFFFULL << \ IAVF_TXD_CTX_QW1_TSO_LEN_SHIFT) diff --git a/drivers/net/ethernet/intel/iavf/iavf_types.h b/drivers/net/ethernet/intel/iavf/iavf_types.h new file mode 100644 index 000000000000..a095855122bf --- /dev/null +++ b/drivers/net/ethernet/intel/iavf/iavf_types.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2024 Intel Corporation. */ + +#ifndef _IAVF_TYPES_H_ +#define _IAVF_TYPES_H_ + +#include "iavf_types.h" + +#include <linux/avf/virtchnl.h> +#include <linux/ptp_clock_kernel.h> + +/* structure used to queue PTP commands for processing */ +struct iavf_ptp_aq_cmd { + struct list_head list; + enum virtchnl_ops v_opcode:16; + u16 msglen; + u8 msg[] __counted_by(msglen); +}; + +struct iavf_ptp { + wait_queue_head_t phc_time_waitqueue; + struct virtchnl_ptp_caps hw_caps; + struct ptp_clock_info info; + struct ptp_clock *clock; + struct list_head aq_cmds; + u64 cached_phc_time; + unsigned long cached_phc_updated; + /* Lock protecting access to the AQ command list */ + struct mutex aq_cmd_lock; + struct kernel_hwtstamp_config hwtstamp_config; + bool phc_time_ready:1; +}; + +#endif /* _IAVF_TYPES_H_ */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 15d388b431c5..34a422a4a29c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -4,6 +4,7 @@ #include <linux/net/intel/libie/rx.h> #include "iavf.h" +#include "iavf_ptp.h" #include "iavf_prototype.h" /** @@ -28,7 +29,7 @@ static int iavf_send_pf_msg(struct iavf_adapter *adapter, if (status) dev_dbg(&adapter->pdev->dev, "Unable to send opcode %d to PF, status %s, aq_err %s\n", op, iavf_stat_str(hw, status), - iavf_aq_str(hw, hw->aq.asq_last_status)); + libie_aq_str(hw->aq.asq_last_status)); return iavf_status_to_errno(status); } @@ -78,6 +79,23 @@ iavf_poll_virtchnl_msg(struct iavf_hw *hw, struct iavf_arq_event_info *event, return iavf_status_to_errno(status); received_op = (enum virtchnl_ops)le32_to_cpu(event->desc.cookie_high); + + if (received_op == VIRTCHNL_OP_EVENT) { + struct iavf_adapter *adapter = hw->back; + struct virtchnl_pf_event *vpe = + (struct virtchnl_pf_event *)event->msg_buf; + + if (vpe->event != VIRTCHNL_EVENT_RESET_IMPENDING) + continue; + + dev_info(&adapter->pdev->dev, "Reset indication received from the PF\n"); + if (!(adapter->flags & IAVF_FLAG_RESET_PENDING)) + iavf_schedule_reset(adapter, + IAVF_FLAG_RESET_PENDING); + + return -EIO; + } + if (op_to_poll == received_op) break; } @@ -144,9 +162,11 @@ int iavf_send_vf_config_msg(struct iavf_adapter *adapter) VIRTCHNL_VF_OFFLOAD_ENCAP | VIRTCHNL_VF_OFFLOAD_TC_U32 | VIRTCHNL_VF_OFFLOAD_VLAN_V2 | + VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC | VIRTCHNL_VF_OFFLOAD_CRC | VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM | VIRTCHNL_VF_OFFLOAD_REQ_QUEUES | + VIRTCHNL_VF_CAP_PTP | VIRTCHNL_VF_OFFLOAD_ADQ | VIRTCHNL_VF_OFFLOAD_USO | VIRTCHNL_VF_OFFLOAD_FDIR_PF | @@ -177,6 +197,54 @@ int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter) NULL, 0); } +int iavf_send_vf_supported_rxdids_msg(struct iavf_adapter *adapter) +{ + adapter->aq_required &= ~IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS; + + if (!IAVF_RXDID_ALLOWED(adapter)) + return -EOPNOTSUPP; + + adapter->current_op = VIRTCHNL_OP_GET_SUPPORTED_RXDIDS; + + return iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_SUPPORTED_RXDIDS, + NULL, 0); +} + +/** + * iavf_send_vf_ptp_caps_msg - Send request for PTP capabilities + * @adapter: private adapter structure + * + * Send the VIRTCHNL_OP_1588_PTP_GET_CAPS command to the PF to request the PTP + * capabilities available to this device. This includes the following + * potential access: + * + * * READ_PHC - access to read the PTP hardware clock time + * * RX_TSTAMP - access to request Rx timestamps on all received packets + * + * The PF will reply with the same opcode a filled out copy of the + * virtchnl_ptp_caps structure which defines the specifics of which features + * are accessible to this device. + * + * Return: 0 if success, error code otherwise. + */ +int iavf_send_vf_ptp_caps_msg(struct iavf_adapter *adapter) +{ + struct virtchnl_ptp_caps hw_caps = { + .caps = VIRTCHNL_1588_PTP_CAP_READ_PHC | + VIRTCHNL_1588_PTP_CAP_RX_TSTAMP + }; + + adapter->aq_required &= ~IAVF_FLAG_AQ_GET_PTP_CAPS; + + if (!IAVF_PTP_ALLOWED(adapter)) + return -EOPNOTSUPP; + + adapter->current_op = VIRTCHNL_OP_1588_PTP_GET_CAPS; + + return iavf_send_pf_msg(adapter, VIRTCHNL_OP_1588_PTP_GET_CAPS, + (u8 *)&hw_caps, sizeof(hw_caps)); +} + /** * iavf_validate_num_queues * @adapter: adapter structure @@ -263,6 +331,40 @@ int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter) return err; } +int iavf_get_vf_supported_rxdids(struct iavf_adapter *adapter) +{ + struct iavf_arq_event_info event; + u64 rxdids; + int err; + + event.msg_buf = (u8 *)&rxdids; + event.buf_len = sizeof(rxdids); + + err = iavf_poll_virtchnl_msg(&adapter->hw, &event, + VIRTCHNL_OP_GET_SUPPORTED_RXDIDS); + if (!err) + adapter->supp_rxdids = rxdids; + + return err; +} + +int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter) +{ + struct virtchnl_ptp_caps caps = {}; + struct iavf_arq_event_info event; + int err; + + event.msg_buf = (u8 *)∩︀ + event.buf_len = sizeof(caps); + + err = iavf_poll_virtchnl_msg(&adapter->hw, &event, + VIRTCHNL_OP_1588_PTP_GET_CAPS); + if (!err) + adapter->ptp.hw_caps = caps; + + return err; +} + /** * iavf_configure_queues * @adapter: adapter structure @@ -275,6 +377,7 @@ void iavf_configure_queues(struct iavf_adapter *adapter) int pairs = adapter->num_active_queues; struct virtchnl_queue_pair_info *vqpi; u32 i, max_frame; + u8 rx_flags = 0; size_t len; max_frame = LIBIE_MAX_RX_FRM_LEN(adapter->rx_rings->pp->p.offset); @@ -292,6 +395,9 @@ void iavf_configure_queues(struct iavf_adapter *adapter) if (!vqci) return; + if (iavf_ptp_cap_supported(adapter, VIRTCHNL_1588_PTP_CAP_RX_TSTAMP)) + rx_flags |= VIRTCHNL_PTP_RX_TSTAMP; + vqci->vsi_id = adapter->vsi_res->vsi_id; vqci->num_queue_pairs = pairs; vqpi = vqci->qpair; @@ -309,9 +415,12 @@ void iavf_configure_queues(struct iavf_adapter *adapter) vqpi->rxq.dma_ring_addr = adapter->rx_rings[i].dma; vqpi->rxq.max_pkt_size = max_frame; vqpi->rxq.databuffer_size = adapter->rx_rings[i].rx_buf_len; + if (IAVF_RXDID_ALLOWED(adapter)) + vqpi->rxq.rxdid = adapter->rxdid; if (CRC_OFFLOAD_ALLOWED(adapter)) vqpi->rxq.crc_disable = !!(adapter->netdev->features & NETIF_F_RXFCS); + vqpi->rxq.flags = rx_flags; vqpi++; } @@ -1036,12 +1145,12 @@ void iavf_request_stats(struct iavf_adapter *adapter) } /** - * iavf_get_hena + * iavf_get_rss_hashcfg * @adapter: adapter structure * - * Request hash enable capabilities from PF + * Request RSS Hash enable bits from PF **/ -void iavf_get_hena(struct iavf_adapter *adapter) +void iavf_get_rss_hashcfg(struct iavf_adapter *adapter) { if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { /* bail because we already have a command pending */ @@ -1049,20 +1158,20 @@ void iavf_get_hena(struct iavf_adapter *adapter) adapter->current_op); return; } - adapter->current_op = VIRTCHNL_OP_GET_RSS_HENA_CAPS; - adapter->aq_required &= ~IAVF_FLAG_AQ_GET_HENA; - iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_RSS_HENA_CAPS, NULL, 0); + adapter->current_op = VIRTCHNL_OP_GET_RSS_HASHCFG_CAPS; + adapter->aq_required &= ~IAVF_FLAG_AQ_GET_RSS_HASHCFG; + iavf_send_pf_msg(adapter, VIRTCHNL_OP_GET_RSS_HASHCFG_CAPS, NULL, 0); } /** - * iavf_set_hena + * iavf_set_rss_hashcfg * @adapter: adapter structure * * Request the PF to set our RSS hash capabilities **/ -void iavf_set_hena(struct iavf_adapter *adapter) +void iavf_set_rss_hashcfg(struct iavf_adapter *adapter) { - struct virtchnl_rss_hena vrh; + struct virtchnl_rss_hashcfg vrh; if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { /* bail because we already have a command pending */ @@ -1070,10 +1179,10 @@ void iavf_set_hena(struct iavf_adapter *adapter) adapter->current_op); return; } - vrh.hena = adapter->hena; - adapter->current_op = VIRTCHNL_OP_SET_RSS_HENA; - adapter->aq_required &= ~IAVF_FLAG_AQ_SET_HENA; - iavf_send_pf_msg(adapter, VIRTCHNL_OP_SET_RSS_HENA, (u8 *)&vrh, + vrh.hashcfg = adapter->rss_hashcfg; + adapter->current_op = VIRTCHNL_OP_SET_RSS_HASHCFG; + adapter->aq_required &= ~IAVF_FLAG_AQ_SET_RSS_HASHCFG; + iavf_send_pf_msg(adapter, VIRTCHNL_OP_SET_RSS_HASHCFG, (u8 *)&vrh, sizeof(vrh)); } @@ -1402,6 +1511,67 @@ void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid) VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2); } +#if IS_ENABLED(CONFIG_PTP_1588_CLOCK) +/** + * iavf_virtchnl_send_ptp_cmd - Send one queued PTP command + * @adapter: adapter private structure + * + * De-queue one PTP command request and send the command message to the PF. + * Clear IAVF_FLAG_AQ_SEND_PTP_CMD if no more messages are left to send. + */ +void iavf_virtchnl_send_ptp_cmd(struct iavf_adapter *adapter) +{ + struct iavf_ptp_aq_cmd *cmd; + int err; + + if (!adapter->ptp.clock) { + /* This shouldn't be possible to hit, since no messages should + * be queued if PTP is not initialized. + */ + pci_err(adapter->pdev, "PTP is not initialized\n"); + adapter->aq_required &= ~IAVF_FLAG_AQ_SEND_PTP_CMD; + return; + } + + mutex_lock(&adapter->ptp.aq_cmd_lock); + cmd = list_first_entry_or_null(&adapter->ptp.aq_cmds, + struct iavf_ptp_aq_cmd, list); + if (!cmd) { + /* no further PTP messages to send */ + adapter->aq_required &= ~IAVF_FLAG_AQ_SEND_PTP_CMD; + goto out_unlock; + } + + if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { + /* bail because we already have a command pending */ + pci_err(adapter->pdev, + "Cannot send PTP command %d, command %d pending\n", + cmd->v_opcode, adapter->current_op); + goto out_unlock; + } + + err = iavf_send_pf_msg(adapter, cmd->v_opcode, cmd->msg, cmd->msglen); + if (!err) { + /* Command was sent without errors, so we can remove it from + * the list and discard it. + */ + list_del(&cmd->list); + kfree(cmd); + } else { + /* We failed to send the command, try again next cycle */ + pci_err(adapter->pdev, "Failed to send PTP command %d\n", + cmd->v_opcode); + } + + if (list_empty(&adapter->ptp.aq_cmds)) + /* no further PTP messages to send */ + adapter->aq_required &= ~IAVF_FLAG_AQ_SEND_PTP_CMD; + +out_unlock: + mutex_unlock(&adapter->ptp.aq_cmd_lock); +} +#endif /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */ + /** * iavf_print_link_message - print link up or down * @adapter: adapter structure @@ -2098,6 +2268,37 @@ static void iavf_activate_fdir_filters(struct iavf_adapter *adapter) } /** + * iavf_virtchnl_ptp_get_time - Respond to VIRTCHNL_OP_1588_PTP_GET_TIME + * @adapter: private adapter structure + * @data: the message from the PF + * @len: length of the message from the PF + * + * Handle the VIRTCHNL_OP_1588_PTP_GET_TIME message from the PF. This message + * is sent by the PF in response to the same op as a request from the VF. + * Extract the 64bit nanoseconds time from the message and store it in + * cached_phc_time. Then, notify any thread that is waiting for the update via + * the wait queue. + */ +static void iavf_virtchnl_ptp_get_time(struct iavf_adapter *adapter, + void *data, u16 len) +{ + struct virtchnl_phc_time *msg = data; + + if (len != sizeof(*msg)) { + dev_err_once(&adapter->pdev->dev, + "Invalid VIRTCHNL_OP_1588_PTP_GET_TIME from PF. Got size %u, expected %zu\n", + len, sizeof(*msg)); + return; + } + + adapter->ptp.cached_phc_time = msg->time; + adapter->ptp.cached_phc_updated = jiffies; + adapter->ptp.phc_time_ready = true; + + wake_up(&adapter->ptp.phc_time_waitqueue); +} + +/** * iavf_virtchnl_completion * @adapter: adapter structure * @v_opcode: opcode sent by PF @@ -2509,6 +2710,25 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, aq_required; } break; + case VIRTCHNL_OP_GET_SUPPORTED_RXDIDS: + if (msglen != sizeof(u64)) + return; + + adapter->supp_rxdids = *(u64 *)msg; + + break; + case VIRTCHNL_OP_1588_PTP_GET_CAPS: + if (msglen != sizeof(adapter->ptp.hw_caps)) + return; + + adapter->ptp.hw_caps = *(struct virtchnl_ptp_caps *)msg; + + /* process any state change needed due to new capabilities */ + iavf_ptp_process_caps(adapter); + break; + case VIRTCHNL_OP_1588_PTP_GET_TIME: + iavf_virtchnl_ptp_get_time(adapter, msg, msglen); + break; case VIRTCHNL_OP_ENABLE_QUEUES: /* enable transmits */ iavf_irq_enable(adapter, true); @@ -2532,11 +2752,12 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, if (v_opcode != adapter->current_op) return; break; - case VIRTCHNL_OP_GET_RSS_HENA_CAPS: { - struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg; + case VIRTCHNL_OP_GET_RSS_HASHCFG_CAPS: { + struct virtchnl_rss_hashcfg *vrh = + (struct virtchnl_rss_hashcfg *)msg; if (msglen == sizeof(*vrh)) - adapter->hena = vrh->hena; + adapter->rss_hashcfg = vrh->hashcfg; else dev_warn(&adapter->pdev->dev, "Invalid message %d from PF\n", v_opcode); |