diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nicvf_queues.h')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_queues.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index 10cb4b84625b..57858522c33c 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -10,6 +10,7 @@ #define NICVF_QUEUES_H #include <linux/netdevice.h> +#include <linux/iommu.h> #include "q_struct.h" #define MAX_QUEUE_SET 128 @@ -213,6 +214,12 @@ struct q_desc_mem { void *unalign_base; }; +struct pgcache { + struct page *page; + int ref_count; + u64 dma_addr; +}; + struct rbdr { bool enable; u32 dma_size; @@ -222,6 +229,13 @@ struct rbdr { u32 head; u32 tail; struct q_desc_mem dmem; + bool is_xdp; + + /* For page recycling */ + int pgidx; + int pgcnt; + int pgalloc; + struct pgcache *pgcache; } ____cacheline_aligned_in_smp; struct rcv_queue { @@ -258,6 +272,10 @@ struct snd_queue { u32 tail; u64 *skbuff; void *desc; + u64 *xdp_page; + u16 xdp_desc_cnt; + u16 xdp_free_cnt; + bool is_xdp; #define TSO_HEADER_SIZE 128 /* For TSO segment's header */ @@ -301,6 +319,14 @@ struct queue_set { #define CQ_ERR_MASK (CQ_WR_FULL | CQ_WR_DISABLE | CQ_WR_FAULT) +static inline u64 nicvf_iova_to_phys(struct nicvf *nic, dma_addr_t dma_addr) +{ + /* Translation is installed only when IOMMU is present */ + if (nic->iommu_domain) + return iommu_iova_to_phys(nic->iommu_domain, dma_addr); + return dma_addr; +} + void nicvf_unmap_sndq_buffers(struct nicvf *nic, struct snd_queue *sq, int hdr_sqe, u8 subdesc_cnt); void nicvf_config_vlan_stripping(struct nicvf *nic, @@ -318,8 +344,12 @@ void nicvf_sq_free_used_descs(struct net_device *netdev, struct snd_queue *sq, int qidx); int nicvf_sq_append_skb(struct nicvf *nic, struct snd_queue *sq, struct sk_buff *skb, u8 sq_num); +int nicvf_xdp_sq_append_pkt(struct nicvf *nic, struct snd_queue *sq, + u64 bufaddr, u64 dma_addr, u16 len); +void nicvf_xdp_sq_doorbell(struct nicvf *nic, struct snd_queue *sq, int sq_num); -struct sk_buff *nicvf_get_rcv_skb(struct nicvf *nic, struct cqe_rx_t *cqe_rx); +struct sk_buff *nicvf_get_rcv_skb(struct nicvf *nic, + struct cqe_rx_t *cqe_rx, bool xdp); void nicvf_rbdr_task(unsigned long data); void nicvf_rbdr_work(struct work_struct *work); |