xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cxgbi: use per-connection link-speed dependent send/recv windows

Browse Source 
For adapters supporting both 10G and 40G use per-connection send/recv window
and calculate the size based on the link speed.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Karen Xie
2015-04-10 13:57:12 -07:00
committed by James Bottomley
parent dee0586e15
commit 81daf10c76
4 changed files with 40 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/scsi/cxgbi/libcxgbi.c
View File

@@ -1126,11 +1126,11 @@ static int cxgbi_sock_send_pdus(struct cxgbi_sock *csk, struct sk_buff *skb)
goto out_err;
}
if (csk->write_seq - csk->snd_una >= cdev->snd_win) {
if (csk->write_seq - csk->snd_una >= csk->snd_win) {
log_debug(1 << CXGBI_DBG_PDU_TX,
"csk 0x%p,%u,0x%lx,%u, FULL %u-%u >= %u.\n",
csk, csk->state, csk->flags, csk->tid, csk->write_seq,
csk->snd_una, cdev->snd_win);
csk->snd_una, csk->snd_win);
err = -ENOBUFS;
goto out_err;
}
@@ -1885,7 +1885,7 @@ static void csk_return_rx_credits(struct cxgbi_sock *csk, int copied)
"csk 0x%p,%u,0x%lx,%u, seq %u, wup %u, thre %u, %u.\n",
csk, csk->state, csk->flags, csk->tid, csk->copied_seq,
csk->rcv_wup, cdev->rx_credit_thres,
cdev->rcv_win);
csk->rcv_win);
if (csk->state != CTP_ESTABLISHED)
return;
@@ -1896,7 +1896,7 @@ static void csk_return_rx_credits(struct cxgbi_sock *csk, int copied)
if (unlikely(cdev->rx_credit_thres == 0))
return;
must_send = credits + 16384 >= cdev->rcv_win;
must_send = credits + 16384 >= csk->rcv_win;
if (must_send || credits >= cdev->rx_credit_thres)
csk->rcv_wup += cdev->csk_send_rx_credits(csk, credits);
}