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-rw-r--r--drivers/net/ethernet/cisco/enic/enic.h16
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_dev.c56
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_dev.h5
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_ethtool.c21
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_main.c181
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_stats.h5
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_wq.c3
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_wq.h1
8 files changed, 160 insertions, 128 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h
index 25c4d88853d8..84b6a2b46aec 100644
--- a/drivers/net/ethernet/cisco/enic/enic.h
+++ b/drivers/net/ethernet/cisco/enic/enic.h
@@ -33,7 +33,7 @@
#define DRV_NAME "enic"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
-#define DRV_VERSION "2.1.1.67"
+#define DRV_VERSION "2.1.1.83"
#define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc"
#define ENIC_BARS_MAX 6
@@ -188,6 +188,7 @@ struct enic {
struct enic_rfs_flw_tbl rfs_h;
u32 rx_copybreak;
u8 rss_key[ENIC_RSS_LEN];
+ struct vnic_gen_stats gen_stats;
};
static inline struct device *enic_get_dev(struct enic *enic)
@@ -242,6 +243,19 @@ static inline unsigned int enic_msix_notify_intr(struct enic *enic)
return enic->rq_count + enic->wq_count + 1;
}
+static inline int enic_dma_map_check(struct enic *enic, dma_addr_t dma_addr)
+{
+ if (unlikely(pci_dma_mapping_error(enic->pdev, dma_addr))) {
+ net_warn_ratelimited("%s: PCI dma mapping failed!\n",
+ enic->netdev->name);
+ enic->gen_stats.dma_map_error++;
+
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
void enic_reset_addr_lists(struct enic *enic);
int enic_sriov_enabled(struct enic *enic);
int enic_is_valid_vf(struct enic *enic, int vf);
diff --git a/drivers/net/ethernet/cisco/enic/enic_dev.c b/drivers/net/ethernet/cisco/enic/enic_dev.c
index 87ddc44b590e..f8d2a6a34282 100644
--- a/drivers/net/ethernet/cisco/enic/enic_dev.c
+++ b/drivers/net/ethernet/cisco/enic/enic_dev.c
@@ -177,40 +177,6 @@ int enic_dev_intr_coal_timer_info(struct enic *enic)
return err;
}
-int enic_vnic_dev_deinit(struct enic *enic)
-{
- int err;
-
- spin_lock_bh(&enic->devcmd_lock);
- err = vnic_dev_deinit(enic->vdev);
- spin_unlock_bh(&enic->devcmd_lock);
-
- return err;
-}
-
-int enic_dev_init_prov2(struct enic *enic, struct vic_provinfo *vp)
-{
- int err;
-
- spin_lock_bh(&enic->devcmd_lock);
- err = vnic_dev_init_prov2(enic->vdev,
- (u8 *)vp, vic_provinfo_size(vp));
- spin_unlock_bh(&enic->devcmd_lock);
-
- return err;
-}
-
-int enic_dev_deinit_done(struct enic *enic, int *status)
-{
- int err;
-
- spin_lock_bh(&enic->devcmd_lock);
- err = vnic_dev_deinit_done(enic->vdev, status);
- spin_unlock_bh(&enic->devcmd_lock);
-
- return err;
-}
-
/* rtnl lock is held */
int enic_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid)
{
@@ -237,28 +203,6 @@ int enic_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)
return err;
}
-int enic_dev_enable2(struct enic *enic, int active)
-{
- int err;
-
- spin_lock_bh(&enic->devcmd_lock);
- err = vnic_dev_enable2(enic->vdev, active);
- spin_unlock_bh(&enic->devcmd_lock);
-
- return err;
-}
-
-int enic_dev_enable2_done(struct enic *enic, int *status)
-{
- int err;
-
- spin_lock_bh(&enic->devcmd_lock);
- err = vnic_dev_enable2_done(enic->vdev, status);
- spin_unlock_bh(&enic->devcmd_lock);
-
- return err;
-}
-
int enic_dev_status_to_errno(int devcmd_status)
{
switch (devcmd_status) {
diff --git a/drivers/net/ethernet/cisco/enic/enic_dev.h b/drivers/net/ethernet/cisco/enic/enic_dev.h
index 10bb970b2f35..f5bb058b3f96 100644
--- a/drivers/net/ethernet/cisco/enic/enic_dev.h
+++ b/drivers/net/ethernet/cisco/enic/enic_dev.h
@@ -55,11 +55,6 @@ int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic);
int enic_dev_enable(struct enic *enic);
int enic_dev_disable(struct enic *enic);
int enic_dev_intr_coal_timer_info(struct enic *enic);
-int enic_vnic_dev_deinit(struct enic *enic);
-int enic_dev_init_prov2(struct enic *enic, struct vic_provinfo *vp);
-int enic_dev_deinit_done(struct enic *enic, int *status);
-int enic_dev_enable2(struct enic *enic, int arg);
-int enic_dev_enable2_done(struct enic *enic, int *status);
int enic_dev_status_to_errno(int devcmd_status);
#endif /* _ENIC_DEV_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
index eba1eb846d34..28d9ca675a27 100644
--- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c
+++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
@@ -24,6 +24,7 @@
#include "enic_dev.h"
#include "enic_clsf.h"
#include "vnic_rss.h"
+#include "vnic_stats.h"
struct enic_stat {
char name[ETH_GSTRING_LEN];
@@ -40,6 +41,11 @@ struct enic_stat {
.index = offsetof(struct vnic_rx_stats, stat) / sizeof(u64) \
}
+#define ENIC_GEN_STAT(stat) { \
+ .name = #stat, \
+ .index = offsetof(struct vnic_gen_stats, stat) / sizeof(u64)\
+}
+
static const struct enic_stat enic_tx_stats[] = {
ENIC_TX_STAT(tx_frames_ok),
ENIC_TX_STAT(tx_unicast_frames_ok),
@@ -78,10 +84,15 @@ static const struct enic_stat enic_rx_stats[] = {
ENIC_RX_STAT(rx_frames_to_max),
};
+static const struct enic_stat enic_gen_stats[] = {
+ ENIC_GEN_STAT(dma_map_error),
+};
+
static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats);
static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats);
+static const unsigned int enic_n_gen_stats = ARRAY_SIZE(enic_gen_stats);
-void enic_intr_coal_set_rx(struct enic *enic, u32 timer)
+static void enic_intr_coal_set_rx(struct enic *enic, u32 timer)
{
int i;
int intr;
@@ -146,6 +157,10 @@ static void enic_get_strings(struct net_device *netdev, u32 stringset,
memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
+ for (i = 0; i < enic_n_gen_stats; i++) {
+ memcpy(data, enic_gen_stats[i].name, ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
break;
}
}
@@ -154,7 +169,7 @@ static int enic_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
- return enic_n_tx_stats + enic_n_rx_stats;
+ return enic_n_tx_stats + enic_n_rx_stats + enic_n_gen_stats;
default:
return -EOPNOTSUPP;
}
@@ -173,6 +188,8 @@ static void enic_get_ethtool_stats(struct net_device *netdev,
*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].index];
for (i = 0; i < enic_n_rx_stats; i++)
*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].index];
+ for (i = 0; i < enic_n_gen_stats; i++)
+ *(data++) = ((u64 *)&enic->gen_stats)[enic_gen_stats[i].index];
}
static u32 enic_get_msglevel(struct net_device *netdev)
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index b29e027c476e..9cbe038a388e 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -45,6 +45,7 @@
#ifdef CONFIG_NET_RX_BUSY_POLL
#include <net/busy_poll.h>
#endif
+#include <linux/crash_dump.h>
#include "cq_enet_desc.h"
#include "vnic_dev.h"
@@ -88,7 +89,7 @@ MODULE_DEVICE_TABLE(pci, enic_id_table);
* coalescing timer values
* {rx_rate in Mbps, mapping percentage of the range}
*/
-struct enic_intr_mod_table mod_table[ENIC_MAX_COALESCE_TIMERS + 1] = {
+static struct enic_intr_mod_table mod_table[ENIC_MAX_COALESCE_TIMERS + 1] = {
{4000, 0},
{4400, 10},
{5060, 20},
@@ -105,7 +106,7 @@ struct enic_intr_mod_table mod_table[ENIC_MAX_COALESCE_TIMERS + 1] = {
/* This table helps the driver to pick different ranges for rx coalescing
* timer depending on the link speed.
*/
-struct enic_intr_mod_range mod_range[ENIC_MAX_LINK_SPEEDS] = {
+static struct enic_intr_mod_range mod_range[ENIC_MAX_LINK_SPEEDS] = {
{0, 0}, /* 0 - 4 Gbps */
{0, 3}, /* 4 - 10 Gbps */
{3, 6}, /* 10 - 40 Gbps */
@@ -351,80 +352,94 @@ static irqreturn_t enic_isr_msix_notify(int irq, void *data)
return IRQ_HANDLED;
}
-static inline void enic_queue_wq_skb_cont(struct enic *enic,
- struct vnic_wq *wq, struct sk_buff *skb,
- unsigned int len_left, int loopback)
+static int enic_queue_wq_skb_cont(struct enic *enic, struct vnic_wq *wq,
+ struct sk_buff *skb, unsigned int len_left,
+ int loopback)
{
const skb_frag_t *frag;
+ dma_addr_t dma_addr;
/* Queue additional data fragments */
for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
len_left -= skb_frag_size(frag);
- enic_queue_wq_desc_cont(wq, skb,
- skb_frag_dma_map(&enic->pdev->dev,
- frag, 0, skb_frag_size(frag),
- DMA_TO_DEVICE),
- skb_frag_size(frag),
- (len_left == 0), /* EOP? */
- loopback);
+ dma_addr = skb_frag_dma_map(&enic->pdev->dev, frag, 0,
+ skb_frag_size(frag),
+ DMA_TO_DEVICE);
+ if (unlikely(enic_dma_map_check(enic, dma_addr)))
+ return -ENOMEM;
+ enic_queue_wq_desc_cont(wq, skb, dma_addr, skb_frag_size(frag),
+ (len_left == 0), /* EOP? */
+ loopback);
}
+
+ return 0;
}
-static inline void enic_queue_wq_skb_vlan(struct enic *enic,
- struct vnic_wq *wq, struct sk_buff *skb,
- int vlan_tag_insert, unsigned int vlan_tag, int loopback)
+static int enic_queue_wq_skb_vlan(struct enic *enic, struct vnic_wq *wq,
+ struct sk_buff *skb, int vlan_tag_insert,
+ unsigned int vlan_tag, int loopback)
{
unsigned int head_len = skb_headlen(skb);
unsigned int len_left = skb->len - head_len;
int eop = (len_left == 0);
+ dma_addr_t dma_addr;
+ int err = 0;
+
+ dma_addr = pci_map_single(enic->pdev, skb->data, head_len,
+ PCI_DMA_TODEVICE);
+ if (unlikely(enic_dma_map_check(enic, dma_addr)))
+ return -ENOMEM;
/* Queue the main skb fragment. The fragments are no larger
* than max MTU(9000)+ETH_HDR_LEN(14) bytes, which is less
* than WQ_ENET_MAX_DESC_LEN length. So only one descriptor
* per fragment is queued.
*/
- enic_queue_wq_desc(wq, skb,
- pci_map_single(enic->pdev, skb->data,
- head_len, PCI_DMA_TODEVICE),
- head_len,
- vlan_tag_insert, vlan_tag,
- eop, loopback);
+ enic_queue_wq_desc(wq, skb, dma_addr, head_len, vlan_tag_insert,
+ vlan_tag, eop, loopback);
if (!eop)
- enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
+ err = enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
+
+ return err;
}
-static inline void enic_queue_wq_skb_csum_l4(struct enic *enic,
- struct vnic_wq *wq, struct sk_buff *skb,
- int vlan_tag_insert, unsigned int vlan_tag, int loopback)
+static int enic_queue_wq_skb_csum_l4(struct enic *enic, struct vnic_wq *wq,
+ struct sk_buff *skb, int vlan_tag_insert,
+ unsigned int vlan_tag, int loopback)
{
unsigned int head_len = skb_headlen(skb);
unsigned int len_left = skb->len - head_len;
unsigned int hdr_len = skb_checksum_start_offset(skb);
unsigned int csum_offset = hdr_len + skb->csum_offset;
int eop = (len_left == 0);
+ dma_addr_t dma_addr;
+ int err = 0;
+
+ dma_addr = pci_map_single(enic->pdev, skb->data, head_len,
+ PCI_DMA_TODEVICE);
+ if (unlikely(enic_dma_map_check(enic, dma_addr)))
+ return -ENOMEM;
/* Queue the main skb fragment. The fragments are no larger
* than max MTU(9000)+ETH_HDR_LEN(14) bytes, which is less
* than WQ_ENET_MAX_DESC_LEN length. So only one descriptor
* per fragment is queued.
*/
- enic_queue_wq_desc_csum_l4(wq, skb,
- pci_map_single(enic->pdev, skb->data,
- head_len, PCI_DMA_TODEVICE),
- head_len,
- csum_offset,
- hdr_len,
- vlan_tag_insert, vlan_tag,
- eop, loopback);
+ enic_queue_wq_desc_csum_l4(wq, skb, dma_addr, head_len, csum_offset,
+ hdr_len, vlan_tag_insert, vlan_tag, eop,
+ loopback);
if (!eop)
- enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
+ err = enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
+
+ return err;
}
-static inline void enic_queue_wq_skb_tso(struct enic *enic,
- struct vnic_wq *wq, struct sk_buff *skb, unsigned int mss,
- int vlan_tag_insert, unsigned int vlan_tag, int loopback)
+static int enic_queue_wq_skb_tso(struct enic *enic, struct vnic_wq *wq,
+ struct sk_buff *skb, unsigned int mss,
+ int vlan_tag_insert, unsigned int vlan_tag,
+ int loopback)
{
unsigned int frag_len_left = skb_headlen(skb);
unsigned int len_left = skb->len - frag_len_left;
@@ -454,20 +469,19 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic,
*/
while (frag_len_left) {
len = min(frag_len_left, (unsigned int)WQ_ENET_MAX_DESC_LEN);
- dma_addr = pci_map_single(enic->pdev, skb->data + offset,
- len, PCI_DMA_TODEVICE);
- enic_queue_wq_desc_tso(wq, skb,
- dma_addr,
- len,
- mss, hdr_len,
- vlan_tag_insert, vlan_tag,
- eop && (len == frag_len_left), loopback);
+ dma_addr = pci_map_single(enic->pdev, skb->data + offset, len,
+ PCI_DMA_TODEVICE);
+ if (unlikely(enic_dma_map_check(enic, dma_addr)))
+ return -ENOMEM;
+ enic_queue_wq_desc_tso(wq, skb, dma_addr, len, mss, hdr_len,
+ vlan_tag_insert, vlan_tag,
+ eop && (len == frag_len_left), loopback);
frag_len_left -= len;
offset += len;
}
if (eop)
- return;
+ return 0;
/* Queue WQ_ENET_MAX_DESC_LEN length descriptors
* for additional data fragments
@@ -483,16 +497,18 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic,
dma_addr = skb_frag_dma_map(&enic->pdev->dev, frag,
offset, len,
DMA_TO_DEVICE);
- enic_queue_wq_desc_cont(wq, skb,
- dma_addr,
- len,
- (len_left == 0) &&
- (len == frag_len_left), /* EOP? */
- loopback);
+ if (unlikely(enic_dma_map_check(enic, dma_addr)))
+ return -ENOMEM;
+ enic_queue_wq_desc_cont(wq, skb, dma_addr, len,
+ (len_left == 0) &&
+ (len == frag_len_left),/*EOP*/
+ loopback);
frag_len_left -= len;
offset += len;
}
}
+
+ return 0;
}
static inline void enic_queue_wq_skb(struct enic *enic,
@@ -502,25 +518,42 @@ static inline void enic_queue_wq_skb(struct enic *enic,
unsigned int vlan_tag = 0;
int vlan_tag_insert = 0;
int loopback = 0;
+ int err;
- if (vlan_tx_tag_present(skb)) {
+ if (skb_vlan_tag_present(skb)) {
/* VLAN tag from trunking driver */
vlan_tag_insert = 1;
- vlan_tag = vlan_tx_tag_get(skb);
+ vlan_tag = skb_vlan_tag_get(skb);
} else if (enic->loop_enable) {
vlan_tag = enic->loop_tag;
loopback = 1;
}
if (mss)
- enic_queue_wq_skb_tso(enic, wq, skb, mss,
- vlan_tag_insert, vlan_tag, loopback);
+ err = enic_queue_wq_skb_tso(enic, wq, skb, mss,
+ vlan_tag_insert, vlan_tag,
+ loopback);
else if (skb->ip_summed == CHECKSUM_PARTIAL)
- enic_queue_wq_skb_csum_l4(enic, wq, skb,
- vlan_tag_insert, vlan_tag, loopback);
+ err = enic_queue_wq_skb_csum_l4(enic, wq, skb, vlan_tag_insert,
+ vlan_tag, loopback);
else
- enic_queue_wq_skb_vlan(enic, wq, skb,
- vlan_tag_insert, vlan_tag, loopback);
+ err = enic_queue_wq_skb_vlan(enic, wq, skb, vlan_tag_insert,
+ vlan_tag, loopback);
+ if (unlikely(err)) {
+ struct vnic_wq_buf *buf;
+
+ buf = wq->to_use->prev;
+ /* while not EOP of previous pkt && queue not empty.
+ * For all non EOP bufs, os_buf is NULL.
+ */
+ while (!buf->os_buf && (buf->next != wq->to_clean)) {
+ enic_free_wq_buf(wq, buf);
+ wq->ring.desc_avail++;
+ buf = buf->prev;
+ }
+ wq->to_use = buf->next;
+ dev_kfree_skb(skb);
+ }
}
/* netif_tx_lock held, process context with BHs disabled, or BH */
@@ -950,8 +983,12 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq)
if (!skb)
return -ENOMEM;
- dma_addr = pci_map_single(enic->pdev, skb->data,
- len, PCI_DMA_FROMDEVICE);
+ dma_addr = pci_map_single(enic->pdev, skb->data, len,
+ PCI_DMA_FROMDEVICE);
+ if (unlikely(enic_dma_map_check(enic, dma_addr))) {
+ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
enic_queue_rq_desc(rq, skb, os_buf_index,
dma_addr, len);
@@ -1266,7 +1303,7 @@ static void enic_set_rx_cpu_rmap(struct enic *enic)
#endif /* CONFIG_RFS_ACCEL */
#ifdef CONFIG_NET_RX_BUSY_POLL
-int enic_busy_poll(struct napi_struct *napi)
+static int enic_busy_poll(struct napi_struct *napi)
{
struct net_device *netdev = napi->dev;
struct enic *enic = netdev_priv(netdev);
@@ -1335,7 +1372,7 @@ static int enic_poll_msix_rq(struct napi_struct *napi, int budget)
int err;
if (!enic_poll_lock_napi(&enic->rq[rq]))
- return work_done;
+ return budget;
/* Service RQ
*/
@@ -2231,6 +2268,18 @@ static void enic_dev_deinit(struct enic *enic)
enic_clear_intr_mode(enic);
}
+static void enic_kdump_kernel_config(struct enic *enic)
+{
+ if (is_kdump_kernel()) {
+ dev_info(enic_get_dev(enic), "Running from within kdump kernel. Using minimal resources\n");
+ enic->rq_count = 1;
+ enic->wq_count = 1;
+ enic->config.rq_desc_count = ENIC_MIN_RQ_DESCS;
+ enic->config.wq_desc_count = ENIC_MIN_WQ_DESCS;
+ enic->config.mtu = min_t(u16, 1500, enic->config.mtu);
+ }
+}
+
static int enic_dev_init(struct enic *enic)
{
struct device *dev = enic_get_dev(enic);
@@ -2260,6 +2309,10 @@ static int enic_dev_init(struct enic *enic)
enic_get_res_counts(enic);
+ /* modify resource count if we are in kdump_kernel
+ */
+ enic_kdump_kernel_config(enic);
+
/* Set interrupt mode based on resource counts and system
* capabilities
*/
diff --git a/drivers/net/ethernet/cisco/enic/vnic_stats.h b/drivers/net/ethernet/cisco/enic/vnic_stats.h
index 77750ec93954..74c81ed6fdab 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_stats.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_stats.h
@@ -62,6 +62,11 @@ struct vnic_rx_stats {
u64 rsvd[16];
};
+/* Generic statistics */
+struct vnic_gen_stats {
+ u64 dma_map_error;
+};
+
struct vnic_stats {
struct vnic_tx_stats tx;
struct vnic_rx_stats rx;
diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.c b/drivers/net/ethernet/cisco/enic/vnic_wq.c
index 3e6b8d54dafc..b5a1c937fad2 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_wq.c
+++ b/drivers/net/ethernet/cisco/enic/vnic_wq.c
@@ -47,11 +47,14 @@ static int vnic_wq_alloc_bufs(struct vnic_wq *wq)
wq->ring.desc_size * buf->index;
if (buf->index + 1 == count) {
buf->next = wq->bufs[0];
+ buf->next->prev = buf;
break;
} else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES(count)) {
buf->next = wq->bufs[i + 1];
+ buf->next->prev = buf;
} else {
buf->next = buf + 1;
+ buf->next->prev = buf;
buf++;
}
}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.h b/drivers/net/ethernet/cisco/enic/vnic_wq.h
index 816f1ad6072f..296154351823 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_wq.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_wq.h
@@ -62,6 +62,7 @@ struct vnic_wq_buf {
uint8_t cq_entry; /* Gets completion event from hw */
uint8_t desc_skip_cnt; /* Num descs to occupy */
uint8_t compressed_send; /* Both hdr and payload in one desc */
+ struct vnic_wq_buf *prev;
};
/* Break the vnic_wq_buf allocations into blocks of 32/64 entries */
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-01 07:28:47 +0300