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cnic: Finetune iSCSI connection set up.

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Initialize IP ID and handle some additional connection errors.

Signed-off-by: Eddie Wai <waie@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eddie Wai 2010-02-24 14:42:04 +00:00 committed by David S. Miller
parent c85a261896
commit a9736c086c
2 changed files with 17 additions and 2 deletions
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17
drivers/net/cnic.c
View File

@ -2507,7 +2507,7 @@ static int cnic_cm_offload_pg(struct cnic_sock *csk)
l4kwqe->sa5 = dev->mac_addr[5];
l4kwqe->etype = ETH_P_IP;
l4kwqe->ipid_count = DEF_IPID_COUNT;
l4kwqe->ipid_start = DEF_IPID_START;
l4kwqe->host_opaque = csk->l5_cid;
if (csk->vlan_id) {
@ -3046,6 +3046,14 @@ static void cnic_cm_process_offld_pg(struct cnic_dev *dev, struct l4_kcq *kcqe)
clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
goto done;
}
/* Possible PG kcqe status: SUCCESS, OFFLOADED_PG, or CTX_ALLOC_FAIL */
if (kcqe->status == L4_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAIL) {
clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
cnic_cm_upcall(cp, csk,
L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
goto done;
}
csk->pg_cid = kcqe->pg_cid;
set_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags);
cnic_cm_conn_req(csk);
@ -3083,6 +3091,13 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
}
switch (opcode) {
case L5CM_RAMROD_CMD_ID_TCP_CONNECT:
if (l4kcqe->status != 0) {
clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
cnic_cm_upcall(cp, csk,
L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
}
break;
case L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE:
if (l4kcqe->status == 0)
set_bit(SK_F_OFFLD_COMPLETE, &csk->flags);

2
drivers/net/cnic.h
View File

@ -101,7 +101,7 @@ struct cnic_redirect_entry {
#define BNX2X_KWQ_DATA(cp, x) \
&(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
#define DEF_IPID_COUNT 0xc001
#define DEF_IPID_START 0x8000
#define DEF_KA_TIMEOUT 10000
#define DEF_KA_INTERVAL 300000