diff options
| author | Tatyana Nikolova <Tatyana.E.Nikolova@intel.com> | 2012-09-20 19:34:20 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2012-09-30 20:34:52 -0700 |
| commit | 6ad1be814b106e182d9b12898280d0c115541b72 (patch) | |
| tree | 171a7f491da1cba4ea60c1d9a865324d25dc240b /drivers/infiniband | |
| parent | ef3d0c4a5e8c7ad3429b9f9ef66cf5a7563cd513 (diff) | |
| download | linux-6ad1be814b106e182d9b12898280d0c115541b72.tar.gz | |
RDMA/nes: Fix for incorrect MSS when TSO is on
In TSO handling code, skb_shared_info() is used to get the MSS
instead of the bool function skb_is_gso() (which always returns 1).
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_nic.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index f3a3ecf8d09e..1c02ba787536 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -390,10 +390,10 @@ static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev) tcph = tcp_hdr(skb); if (1) { if (skb_is_gso(skb)) { - /* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... seg size = %u\n", - netdev->name, skb_is_gso(skb)); */ + /* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... is_gso = %u seg size = %u\n", + netdev->name, skb_is_gso(skb), skb_shinfo(skb)->gso_size); */ wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE | - NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb); + NES_NIC_SQ_WQE_COMPLETION | (u16)skb_shinfo(skb)->gso_size; set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX, ((u32)tcph->doff) | (((u32)(((unsigned char *)tcph) - skb->data)) << 4)); @@ -597,10 +597,10 @@ tso_sq_no_longer_full: nes_debug(NES_DBG_NIC_TX, "ERROR: SKB header too big, headlen=%u, FIRST_FRAG_SIZE=%u\n", original_first_length, NES_FIRST_FRAG_SIZE); nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u," - " (%u frags), tso_size=%u\n", + " (%u frags), is_gso = %u tso_size=%u\n", netdev->name, skb->len, skb_headlen(skb), - skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); + skb_shinfo(skb)->nr_frags, skb_is_gso(skb), skb_shinfo(skb)->gso_size); } memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer, skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), @@ -652,8 +652,8 @@ tso_sq_no_longer_full: } else { nesnic->tx_skb[nesnic->sq_head] = NULL; } - wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb); - if ((tso_wqe_length + original_first_length) > skb_is_gso(skb)) { + wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_shinfo(skb)->gso_size; + if ((tso_wqe_length + original_first_length) > skb_shinfo(skb)->gso_size) { wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE; } else { iph->tot_len = htons(tso_wqe_length + original_first_length - nhoffset); |