From: Jerin Jacob Date: Sun, 8 Oct 2017 12:44:07 +0000 (+0530) Subject: event/octeontx: introduce specialized mbox message copy X-Git-Tag: spdx-start~1580 X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=aecb8e093b523db55e4d4bca65fe7dbb5eb17440 event/octeontx: introduce specialized mbox message copy Some of the internal toolchain versions create unaligned memory access fault when copying from 17-31B buffer using memcpy. Subsequent patches in this series will be using 17-31B mbox message. Since the mailbox message copy comes in slow path, changing memcpy to byte-per-byte copy to workaround the issue. Signed-off-by: Jerin Jacob Signed-off-by: Santosh Shukla --- diff --git a/drivers/event/octeontx/ssovf_mbox.c b/drivers/event/octeontx/ssovf_mbox.c index 764414b593..9ed417d1ab 100644 --- a/drivers/event/octeontx/ssovf_mbox.c +++ b/drivers/event/octeontx/ssovf_mbox.c @@ -87,6 +87,16 @@ struct mbox_ram_hdr { }; }; + +static inline void +mbox_msgcpy(uint8_t *d, const uint8_t *s, uint16_t size) +{ + uint16_t i; + + for (i = 0; i < size; i++) + d[i] = s[i]; +} + static inline void mbox_send_request(struct mbox *m, struct octeontx_mbox_hdr *hdr, const void *txmsg, uint16_t txsize) @@ -106,7 +116,7 @@ mbox_send_request(struct mbox *m, struct octeontx_mbox_hdr *hdr, /* Copy msg body */ if (txmsg) - memcpy(ram_mbox_msg, txmsg, txsize); + mbox_msgcpy(ram_mbox_msg, txmsg, txsize); /* Prepare new hdr */ new_hdr.chan_state = MBOX_CHAN_STATE_REQ; @@ -166,7 +176,7 @@ mbox_wait_response(struct mbox *m, struct octeontx_mbox_hdr *hdr, len = RTE_MIN(rx_hdr.len, rxsize); if (rxmsg) - memcpy(rxmsg, ram_mbox_msg, len); + mbox_msgcpy(rxmsg, ram_mbox_msg, len); return len;