From: Nipun Gupta Date: Fri, 19 Jul 2019 10:06:09 +0000 (+0530) Subject: net/dpaa2: fix multi-segment Tx X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1f4d77d20b2d23bfa2d0203411546d241e4bb644;p=dpdk.git net/dpaa2: fix multi-segment Tx This patch resets frc and ctrl in sg tx fd to avoid corruption. Fixes: 774e9ea91992 ("net/dpaa2: add support for multi seg buffers") Cc: stable@dpdk.org Signed-off-by: Nipun Gupta Acked-by: Hemant Agrawal --- diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h index 92fc762119..8644761db9 100644 --- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h +++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h @@ -229,6 +229,7 @@ enum qbman_fd_format { ((fd)->simple.frc = (0x80000000 | (len))) #define DPAA2_GET_FD_FRC_PARSE_SUM(fd) \ ((uint16_t)(((fd)->simple.frc & 0xffff0000) >> 16)) +#define DPAA2_RESET_FD_FRC(fd) ((fd)->simple.frc = 0) #define DPAA2_SET_FD_FRC(fd, _frc) ((fd)->simple.frc = _frc) #define DPAA2_RESET_FD_CTRL(fd) ((fd)->simple.ctrl = 0) diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c index c6e50123c3..6ca5071e0c 100644 --- a/drivers/net/dpaa2/dpaa2_rxtx.c +++ b/drivers/net/dpaa2/dpaa2_rxtx.c @@ -370,8 +370,9 @@ eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf, DPAA2_SET_FD_LEN(fd, mbuf->pkt_len); DPAA2_SET_ONLY_FD_BPID(fd, bpid); DPAA2_SET_FD_OFFSET(fd, temp->data_off); - DPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL); DPAA2_FD_SET_FORMAT(fd, qbman_fd_sg); + DPAA2_RESET_FD_FRC(fd); + DPAA2_RESET_FD_CTRL(fd); /*Set Scatter gather table and Scatter gather entries*/ sgt = (struct qbman_sge *)( (size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))