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authorSomnath Kotur <somnath.kotur@emulex.com>2013-05-29 22:55:56 +0000
committerDavid S. Miller <davem@davemloft.net>2013-05-30 16:58:06 -0700
commite38b170695d4108eeb6cd84db36f567fc6de4120 (patch)
tree75c4a48d3ca0295620749ed72e8f549d7088d13c /drivers/net/ethernet
parent73ce00d4d6369c1a91c95f9b41e6ce498fbbd56f (diff)
downloadvexpress-lsk-e38b170695d4108eeb6cd84db36f567fc6de4120.tar.gz
be2net: Mark checksum fail for IP fragmented packets
HW does not compute L4 checksum for IP Fragmented packets. Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com> Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h1
-rw-r--r--drivers/net/ethernet/emulex/benet/be_hw.h2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c7
3 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index f544b297c9a..0a510684e46 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -262,6 +262,7 @@ struct be_rx_compl_info {
u8 ipv6;
u8 vtm;
u8 pkt_type;
+ u8 ip_frag;
};
struct be_rx_obj {
diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h
index 3c1099b47f2..8780183c6d1 100644
--- a/drivers/net/ethernet/emulex/benet/be_hw.h
+++ b/drivers/net/ethernet/emulex/benet/be_hw.h
@@ -356,7 +356,7 @@ struct amap_eth_rx_compl_v0 {
u8 ip_version; /* dword 1 */
u8 macdst[6]; /* dword 1 */
u8 vtp; /* dword 1 */
- u8 rsvd0; /* dword 1 */
+ u8 ip_frag; /* dword 1 */
u8 fragndx[10]; /* dword 1 */
u8 ct[2]; /* dword 1 */
u8 sw; /* dword 1 */
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index ca2967b0f18..32a6927ca97 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1599,6 +1599,8 @@ static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl,
compl);
}
rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl);
+ rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0,
+ ip_frag, compl);
}
static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
@@ -1620,6 +1622,9 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
else
be_parse_rx_compl_v0(compl, rxcp);
+ if (rxcp->ip_frag)
+ rxcp->l4_csum = 0;
+
if (rxcp->vlanf) {
/* vlanf could be wrongly set in some cards.
* ignore if vtm is not set */
@@ -2168,7 +2173,7 @@ static irqreturn_t be_msix(int irq, void *dev)
static inline bool do_gro(struct be_rx_compl_info *rxcp)
{
- return (rxcp->tcpf && !rxcp->err) ? true : false;
+ return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false;
}
static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi,