From: Olivier Matz Date: Mon, 1 Dec 2014 10:36:13 +0000 (+0100) Subject: ixgbe: fix bitfield assignation with clang X-Git-Tag: spdx-start~10007 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=06c57d54ef7ddc8f74a14f245daaa0eabd06cc8f;p=dpdk.git ixgbe: fix bitfield assignation with clang Commit 1224decaa44 ("support TCP segmentation offload") changed the way the bitfields are assigned in ixgbe, example: tx_offload_mask.l2_len = ~0; This result in a compilation error with clang: error: implicit truncation from 'int' to bitfield changes value from -1 to 127 [-Werror,-Wbitfield-constant-conversion] Replacing the '=' with a '|=' fixes the issue. Signed-off-by: Olivier Matz Acked-by: Bruce Richardson --- diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c index 8559ef6657..5c36bff285 100644 --- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c +++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c @@ -381,7 +381,7 @@ ixgbe_set_xmit_ctx(struct igb_tx_queue* txq, mss_l4len_idx |= (ctx_idx << IXGBE_ADVTXD_IDX_SHIFT); if (ol_flags & PKT_TX_VLAN_PKT) { - tx_offload_mask.vlan_tci = ~0; + tx_offload_mask.vlan_tci |= ~0; } /* check if TCP segmentation required for this packet */ @@ -391,17 +391,17 @@ ixgbe_set_xmit_ctx(struct igb_tx_queue* txq, IXGBE_ADVTXD_TUCMD_L4T_TCP | IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT; - tx_offload_mask.l2_len = ~0; - tx_offload_mask.l3_len = ~0; - tx_offload_mask.l4_len = ~0; - tx_offload_mask.tso_segsz = ~0; + tx_offload_mask.l2_len |= ~0; + tx_offload_mask.l3_len |= ~0; + tx_offload_mask.l4_len |= ~0; + tx_offload_mask.tso_segsz |= ~0; mss_l4len_idx |= tx_offload.tso_segsz << IXGBE_ADVTXD_MSS_SHIFT; mss_l4len_idx |= tx_offload.l4_len << IXGBE_ADVTXD_L4LEN_SHIFT; } else { /* no TSO, check if hardware checksum is needed */ if (ol_flags & PKT_TX_IP_CKSUM) { type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4; - tx_offload_mask.l2_len = ~0; - tx_offload_mask.l3_len = ~0; + tx_offload_mask.l2_len |= ~0; + tx_offload_mask.l3_len |= ~0; } switch (ol_flags & PKT_TX_L4_MASK) { @@ -409,23 +409,23 @@ ixgbe_set_xmit_ctx(struct igb_tx_queue* txq, type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_UDP | IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT; mss_l4len_idx |= sizeof(struct udp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT; - tx_offload_mask.l2_len = ~0; - tx_offload_mask.l3_len = ~0; + tx_offload_mask.l2_len |= ~0; + tx_offload_mask.l3_len |= ~0; break; case PKT_TX_TCP_CKSUM: type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP | IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT; mss_l4len_idx |= sizeof(struct tcp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT; - tx_offload_mask.l2_len = ~0; - tx_offload_mask.l3_len = ~0; - tx_offload_mask.l4_len = ~0; + tx_offload_mask.l2_len |= ~0; + tx_offload_mask.l3_len |= ~0; + tx_offload_mask.l4_len |= ~0; break; case PKT_TX_SCTP_CKSUM: type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_SCTP | IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT; mss_l4len_idx |= sizeof(struct sctp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT; - tx_offload_mask.l2_len = ~0; - tx_offload_mask.l3_len = ~0; + tx_offload_mask.l2_len |= ~0; + tx_offload_mask.l3_len |= ~0; break; default: type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_RSV |