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cxgbe/t4_tom: Limit work requests with immediate payload to a single

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descriptor.  The per-tid tx credits are in demand during active Tx and
it's best not to use too many just for payload.

Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2019-08-27 01:16:02 +00:00
parent b2e60773c6
commit 241c83909c
1 changed files with 1 additions and 1 deletions
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2
sys/dev/cxgbe/tom/t4_cpl_io.c
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@ -540,7 +540,7 @@ t4_close_conn(struct adapter *sc, struct toepcb *toep)
static inline int
max_imm_payload(int tx_credits)
{
const int n = 2; /* Use only up to 2 desc for imm. data WR */
const int n = 1; /* Use no more than one desc for imm. data WR */
KASSERT(tx_credits >= 0 &&
tx_credits <= MAX_OFLD_TX_CREDITS,