From 7207c0d1540b679993d1f0bb9c1ff8e068958c75 Mon Sep 17 00:00:00 2001 From: Hariprasad Shenai Date: Thu, 9 Oct 2014 05:48:45 +0530 Subject: [PATCH] cxgb4/cxgb4vf: Updated the LSO transfer length in CPL_TX_PKT_LSO for T5 Update the lso length for T5 adapter and fix PIDX_T5 macro Signed-off-by: Hariprasad Shenai Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/sge.c | 5 ++++- drivers/net/ethernet/chelsio/cxgb4/t4_msg.h | 1 + drivers/net/ethernet/chelsio/cxgb4/t4_regs.h | 5 ++--- drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 5 ++++- 4 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index fab4c84a1da4..5e1b314e11af 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -1123,7 +1123,10 @@ out_free: dev_kfree_skb_any(skb); lso->c.ipid_ofst = htons(0); lso->c.mss = htons(ssi->gso_size); lso->c.seqno_offset = htonl(0); - lso->c.len = htonl(skb->len); + if (is_t4(adap->params.chip)) + lso->c.len = htonl(skb->len); + else + lso->c.len = htonl(LSO_T5_XFER_SIZE(skb->len)); cpl = (void *)(lso + 1); cntrl = TXPKT_CSUM_TYPE(v6 ? TX_CSUM_TCPIP6 : TX_CSUM_TCPIP) | TXPKT_IPHDR_LEN(l3hdr_len) | diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h index 52e08103f221..5f4db2398c71 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h @@ -527,6 +527,7 @@ struct cpl_tx_pkt_lso_core { #define LSO_LAST_SLICE (1 << 22) #define LSO_FIRST_SLICE (1 << 23) #define LSO_OPCODE(x) ((x) << 24) +#define LSO_T5_XFER_SIZE(x) ((x) << 0) __be16 ipid_ofst; __be16 mss; __be32 seqno_offset; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index eee272883027..a1024db5dc13 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -72,9 +72,8 @@ #define PIDX_MASK 0x00003fffU #define PIDX_SHIFT 0 #define PIDX(x) ((x) << PIDX_SHIFT) -#define S_PIDX_T5 0 -#define M_PIDX_T5 0x1fffU -#define PIDX_T5(x) (((x) >> S_PIDX_T5) & M_PIDX_T5) +#define PIDX_SHIFT_T5 0 +#define PIDX_T5(x) ((x) << PIDX_SHIFT_T5) #define SGE_TIMERREGS 6 diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index a5fb9493dee8..85036e6b42c4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -1208,7 +1208,10 @@ int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev) lso->ipid_ofst = cpu_to_be16(0); lso->mss = cpu_to_be16(ssi->gso_size); lso->seqno_offset = cpu_to_be32(0); - lso->len = cpu_to_be32(skb->len); + if (is_t4(adapter->params.chip)) + lso->len = cpu_to_be32(skb->len); + else + lso->len = cpu_to_be32(LSO_T5_XFER_SIZE(skb->len)); /* * Set up TX Packet CPL pointer, control word and perform -- 2.20.1