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bus/fslmc: fix atomic queues on NXP LX2 platform

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Traffic was stalling after few packet while running l2fwd-event
in atomic mode on LX2 platform. It was due to wrong dca setting
while enqueuing packets to EQCR.
This patch fixes the issue by writing correct dca setting.

Fixes: 1b49352f41be ("bus/fslmc: rename portal pi index to consumer index")
Cc: stable@dpdk.org

Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
Signed-off-by: Rohit Raj <rohit.raj@nxp.com>
Acked-by: Nipun Gupta <nipun.gupta@nxp.com>
This commit is contained in:
Youri Querry 2020-09-24 09:32:04 +05:30 committed by Thomas Monjalon
parent e4233e1d0a
commit 8bd11d45d5
1 changed files with 2 additions and 1 deletions
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3
drivers/bus/fslmc/qbman/qbman_portal.c
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@ -1201,6 +1201,8 @@ static int qbman_swp_enqueue_multiple_mem_back(struct qbman_swp *s,
QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask));
memcpy(&p[1], &cl[1], 28);
memcpy(&p[8], &fd[i], sizeof(*fd));
p[0] = cl[0] | s->eqcr.pi_vb;
if (flags && (flags[i] & QBMAN_ENQUEUE_FLAG_DCA)) {
struct qbman_eq_desc *d = (struct qbman_eq_desc *)p;
@ -1208,7 +1210,6 @@ static int qbman_swp_enqueue_multiple_mem_back(struct qbman_swp *s,
((flags[i]) & QBMAN_EQCR_DCA_IDXMASK);
}
eqcr_pi++;
p[0] = cl[0] | s->eqcr.pi_vb;
if (!(eqcr_pi & half_mask))
s->eqcr.pi_vb ^= QB_VALID_BIT;