[dpdk-dev] [PATCH v2 1/2] bnx2x: disable fast path interrupts

[dpdk-dev] [PATCH v2 1/2] bnx2x: disable fast path interrupts

[Rasesh Mody]

Disable fastpath interrupts and remove unneeded delay in
bnx2x_interrupt_action(). This patch fixes and prevents performance
degradation (upto 50% drop) for BNX2X PMD.

Fixes: 540a2110 ("bnx2x: driver core")

Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com>
---
 drivers/net/bnx2x/bnx2x.c        |    2 +-
 drivers/net/bnx2x/bnx2x_ethdev.c |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index 95fbad8..a059858 100644
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -4507,7 +4507,7 @@ static void bnx2x_handle_fp_tq(struct bnx2x_fastpath *fp, int scan_fp)
 	}
 
 	bnx2x_ack_sb(sc, fp->igu_sb_id, USTORM_ID,
-		   le16toh(fp->fp_hc_idx), IGU_INT_ENABLE, 1);
+		   le16toh(fp->fp_hc_idx), IGU_INT_DISABLE, 1);
 }
 
 /*
diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
index c8d2bf2..f97dd5b 100644
--- a/drivers/net/bnx2x/bnx2x_ethdev.c
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -107,8 +107,8 @@ bnx2x_interrupt_action(struct rte_eth_dev *dev)
 
 	PMD_DEBUG_PERIODIC_LOG(INFO, "Interrupt handled");
 
-	if (bnx2x_intr_legacy(sc, 0))
-		DELAY_MS(250);
+	bnx2x_intr_legacy(sc, 0);
+
 	if (sc->periodic_flags & PERIODIC_GO)
 		bnx2x_periodic_callout(sc);
 	link_status = REG_RD(sc, sc->link_params.shmem_base +
-- 
1.7.10.3

[dpdk-dev] [PATCH v2 2/2] bnx2x: fix fw mempool name length

[Rasesh Mody]

This patch fixes following error:
   EAL: Detected 36 lcore(s)
   EAL: Probing VFIO support...
   PMD: bnxt_rte_pmd_init() called for (null)
   EAL: PCI device 0000:08:00.0 on NUMA socket 0
   EAL:   probe driver: 14e4:16a1 rte_bnx2x_pmd
   EAL: PCI device 0000:08:00.1 on NUMA socket 0
   EAL:   probe driver: 14e4:16a1 rte_bnx2x_pmd
   Lcore 0: RX port 0
   Lcore 1: RX port 1
   Initializing port 0... EAL: Error - exiting with code: 1
     Cause: Cannot configure device: err=-6, port=0

Fixes: 540a2110 ("bnx2x: driver core")
Fixes: 85cf0079 ("mem: avoid memzone/mempool/ring name truncation")

Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com>
---
 drivers/net/bnx2x/bnx2x.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index a059858..a49a07f 100644
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -8886,7 +8886,7 @@ int bnx2x_alloc_hsi_mem(struct bnx2x_softc *sc)
 /***************************/
 
 		if (bnx2x_dma_alloc(sc, FW_BUF_SIZE, &sc->gz_buf_dma,
-				  "fw_dec_buf", RTE_CACHE_LINE_SIZE) != 0) {
+				  "fw_buf", RTE_CACHE_LINE_SIZE) != 0) {
 			sc->spq = NULL;
 			sc->sp = NULL;
 			sc->eq = NULL;
-- 
1.7.10.3

Re: [dpdk-dev] [PATCH v2 2/2] bnx2x: fix fw mempool name length

[Thomas Monjalon]

2016-07-20 12:09, Rasesh Mody:
> This patch fixes following error:
>    EAL: Detected 36 lcore(s)
>    EAL: Probing VFIO support...
>    PMD: bnxt_rte_pmd_init() called for (null)
>    EAL: PCI device 0000:08:00.0 on NUMA socket 0
>    EAL:   probe driver: 14e4:16a1 rte_bnx2x_pmd
>    EAL: PCI device 0000:08:00.1 on NUMA socket 0
>    EAL:   probe driver: 14e4:16a1 rte_bnx2x_pmd
>    Lcore 0: RX port 0
>    Lcore 1: RX port 1
>    Initializing port 0... EAL: Error - exiting with code: 1
>      Cause: Cannot configure device: err=-6, port=0
> 
> Fixes: 540a2110 ("bnx2x: driver core")
> Fixes: 85cf0079 ("mem: avoid memzone/mempool/ring name truncation")
> 
> Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com>

Series applied, thanks