diff options
| author | Varun Prakash | 2016-02-14 18:32:41 +0100 |
|---|---|---|
| committer | Nicholas Bellinger | 2016-03-22 08:25:03 +0100 |
| commit | 2337ba422c2742b6fc78cb6d73f1f3342f69c137 (patch) | |
| tree | 257e8ee4eff65b5ef1c4a08a291f677ade85d9dc /drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | |
| parent | cxgb4: allocate resources for CXGB4_ULD_ISCSIT (diff) | |
| download | kernel-qcow2-linux-2337ba422c2742b6fc78cb6d73f1f3342f69c137.tar.gz kernel-qcow2-linux-2337ba422c2742b6fc78cb6d73f1f3342f69c137.tar.xz kernel-qcow2-linux-2337ba422c2742b6fc78cb6d73f1f3342f69c137.zip | |
cxgb4: large receive offload support
add large receive offload(LRO) support
for upper layer drivers.
Signed-off-by: Varun Prakash <varun@chelsio.com>
Acked-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4.h')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 6206de928964..92086a08e99d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -511,6 +511,15 @@ struct pkt_gl { typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, const struct pkt_gl *gl); +typedef void (*rspq_flush_handler_t)(struct sge_rspq *q); +/* LRO related declarations for ULD */ +struct t4_lro_mgr { +#define MAX_LRO_SESSIONS 64 + u8 lro_session_cnt; /* # of sessions to aggregate */ + unsigned long lro_pkts; /* # of LRO super packets */ + unsigned long lro_merged; /* # of wire packets merged by LRO */ + struct sk_buff_head lroq; /* list of aggregated sessions */ +}; struct sge_rspq { /* state for an SGE response queue */ struct napi_struct napi; @@ -535,6 +544,8 @@ struct sge_rspq { /* state for an SGE response queue */ struct adapter *adap; struct net_device *netdev; /* associated net device */ rspq_handler_t handler; + rspq_flush_handler_t flush_handler; + struct t4_lro_mgr lro_mgr; #ifdef CONFIG_NET_RX_BUSY_POLL #define CXGB_POLL_STATE_IDLE 0 #define CXGB_POLL_STATE_NAPI BIT(0) /* NAPI owns this poll */ @@ -1114,7 +1125,8 @@ int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, struct net_device *dev, int intr_idx, - struct sge_fl *fl, rspq_handler_t hnd, int cong); + struct sge_fl *fl, rspq_handler_t hnd, + rspq_flush_handler_t flush_handler, int cong); int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, struct net_device *dev, struct netdev_queue *netdevq, unsigned int iqid); |