From 14e60aaece20a1cfc059a69f6491b0899f9257a8 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Thu, 16 Jun 2016 18:17:26 +0100 Subject: hw/net/e1000: Don't use *_to_cpup() Don't use *_to_cpup() to do byte-swapped loads; instead use ld*_p() which correctly handle misaligned accesses. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Acked-by: Jason Wang Acked-by: Dmitry Fleytman > Message-id: 1466097446-981-6-git-send-email-peter.maydell@linaro.org --- hw/net/e1000.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'hw/net/e1000.c') diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 1202371271..06ca7b2638 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -536,7 +536,7 @@ e1000_send_packet(E1000State *s, const uint8_t *buf, int size) static void xmit_seg(E1000State *s) { - uint16_t len, *sp; + uint16_t len; unsigned int frames = s->tx.tso_frames, css, sofar; struct e1000_tx *tp = &s->tx; @@ -547,7 +547,7 @@ xmit_seg(E1000State *s) if (tp->props.ip) { /* IPv4 */ stw_be_p(tp->data+css+2, tp->size - css); stw_be_p(tp->data+css+4, - be16_to_cpup((uint16_t *)(tp->data+css+4))+frames); + lduw_be_p(tp->data + css + 4) + frames); } else { /* IPv6 */ stw_be_p(tp->data+css+4, tp->size - css); } @@ -567,8 +567,9 @@ xmit_seg(E1000State *s) if (tp->props.sum_needed & E1000_TXD_POPTS_TXSM) { unsigned int phsum; // add pseudo-header length before checksum calculation - sp = (uint16_t *)(tp->data + tp->props.tucso); - phsum = be16_to_cpup(sp) + len; + void *sp = tp->data + tp->props.tucso; + + phsum = lduw_be_p(sp) + len; phsum = (phsum >> 16) + (phsum & 0xffff); stw_be_p(sp, phsum); } @@ -759,9 +760,9 @@ receive_filter(E1000State *s, const uint8_t *buf, int size) if (e1000x_is_vlan_packet(buf, le16_to_cpu(s->mac_reg[VET])) && e1000x_vlan_rx_filter_enabled(s->mac_reg)) { - uint16_t vid = be16_to_cpup((uint16_t *)(buf + 14)); - uint32_t vfta = le32_to_cpup((uint32_t *)(s->mac_reg + VFTA) + - ((vid >> 5) & 0x7f)); + uint16_t vid = lduw_be_p(buf + 14); + uint32_t vfta = ldl_le_p((uint32_t*)(s->mac_reg + VFTA) + + ((vid >> 5) & 0x7f)); if ((vfta & (1 << (vid & 0x1f))) == 0) return 0; } @@ -889,8 +890,7 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt) if (e1000x_vlan_enabled(s->mac_reg) && e1000x_is_vlan_packet(filter_buf, le16_to_cpu(s->mac_reg[VET]))) { - vlan_special = cpu_to_le16(be16_to_cpup((uint16_t *)(filter_buf - + 14))); + vlan_special = cpu_to_le16(lduw_be_p(filter_buf + 14)); iov_ofs = 4; if (filter_buf == iov->iov_base) { memmove(filter_buf + 4, filter_buf, 12); -- cgit v1.2.3