|
@@ -259,10 +259,44 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
|
|
|
#endif
|
|
|
}
|
|
|
|
|
|
+/* Timestamp option length allowed for TPA aggregation:
|
|
|
+ *
|
|
|
+ * nop nop kind length echo val
|
|
|
+ */
|
|
|
+#define TPA_TSTAMP_OPT_LEN 12
|
|
|
+/**
|
|
|
+ * Calculate the approximate value of the MSS for this
|
|
|
+ * aggregation using the first packet of it.
|
|
|
+ *
|
|
|
+ * @param bp
|
|
|
+ * @param parsing_flags Parsing flags from the START CQE
|
|
|
+ * @param len_on_bd Total length of the first packet for the
|
|
|
+ * aggregation.
|
|
|
+ */
|
|
|
+static inline u16 bnx2x_set_lro_mss(struct bnx2x *bp, u16 parsing_flags,
|
|
|
+ u16 len_on_bd)
|
|
|
+{
|
|
|
+ /* TPA arrgregation won't have an IP options and TCP options
|
|
|
+ * other than timestamp.
|
|
|
+ */
|
|
|
+ u16 hdrs_len = ETH_HLEN + sizeof(struct iphdr) + sizeof(struct tcphdr);
|
|
|
+
|
|
|
+
|
|
|
+ /* Check if there was a TCP timestamp, if there is it's will
|
|
|
+ * always be 12 bytes length: nop nop kind length echo val.
|
|
|
+ *
|
|
|
+ * Otherwise FW would close the aggregation.
|
|
|
+ */
|
|
|
+ if (parsing_flags & PARSING_FLAGS_TIME_STAMP_EXIST_FLAG)
|
|
|
+ hdrs_len += TPA_TSTAMP_OPT_LEN;
|
|
|
+
|
|
|
+ return len_on_bd - hdrs_len;
|
|
|
+}
|
|
|
+
|
|
|
static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
|
|
|
struct sk_buff *skb,
|
|
|
struct eth_fast_path_rx_cqe *fp_cqe,
|
|
|
- u16 cqe_idx)
|
|
|
+ u16 cqe_idx, u16 parsing_flags)
|
|
|
{
|
|
|
struct sw_rx_page *rx_pg, old_rx_pg;
|
|
|
u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
|
|
@@ -275,8 +309,8 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
|
|
|
|
|
|
/* This is needed in order to enable forwarding support */
|
|
|
if (frag_size)
|
|
|
- skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE,
|
|
|
- max(frag_size, (u32)len_on_bd));
|
|
|
+ skb_shinfo(skb)->gso_size = bnx2x_set_lro_mss(bp, parsing_flags,
|
|
|
+ len_on_bd);
|
|
|
|
|
|
#ifdef BNX2X_STOP_ON_ERROR
|
|
|
if (pages > min_t(u32, 8, MAX_SKB_FRAGS)*SGE_PAGE_SIZE*PAGES_PER_SGE) {
|
|
@@ -344,6 +378,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
|
|
|
if (likely(new_skb)) {
|
|
|
/* fix ip xsum and give it to the stack */
|
|
|
/* (no need to map the new skb) */
|
|
|
+ u16 parsing_flags =
|
|
|
+ le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags);
|
|
|
|
|
|
prefetch(skb);
|
|
|
prefetch(((char *)(skb)) + L1_CACHE_BYTES);
|
|
@@ -373,9 +409,9 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
|
|
|
}
|
|
|
|
|
|
if (!bnx2x_fill_frag_skb(bp, fp, skb,
|
|
|
- &cqe->fast_path_cqe, cqe_idx)) {
|
|
|
- if ((le16_to_cpu(cqe->fast_path_cqe.
|
|
|
- pars_flags.flags) & PARSING_FLAGS_VLAN))
|
|
|
+ &cqe->fast_path_cqe, cqe_idx,
|
|
|
+ parsing_flags)) {
|
|
|
+ if (parsing_flags & PARSING_FLAGS_VLAN)
|
|
|
__vlan_hwaccel_put_tag(skb,
|
|
|
le16_to_cpu(cqe->fast_path_cqe.
|
|
|
vlan_tag));
|
|
@@ -703,19 +739,20 @@ u16 bnx2x_get_mf_speed(struct bnx2x *bp)
|
|
|
{
|
|
|
u16 line_speed = bp->link_vars.line_speed;
|
|
|
if (IS_MF(bp)) {
|
|
|
- u16 maxCfg = (bp->mf_config[BP_VN(bp)] &
|
|
|
- FUNC_MF_CFG_MAX_BW_MASK) >>
|
|
|
- FUNC_MF_CFG_MAX_BW_SHIFT;
|
|
|
- /* Calculate the current MAX line speed limit for the DCC
|
|
|
- * capable devices
|
|
|
+ u16 maxCfg = bnx2x_extract_max_cfg(bp,
|
|
|
+ bp->mf_config[BP_VN(bp)]);
|
|
|
+
|
|
|
+ /* Calculate the current MAX line speed limit for the MF
|
|
|
+ * devices
|
|
|
*/
|
|
|
- if (IS_MF_SD(bp)) {
|
|
|
+ if (IS_MF_SI(bp))
|
|
|
+ line_speed = (line_speed * maxCfg) / 100;
|
|
|
+ else { /* SD mode */
|
|
|
u16 vn_max_rate = maxCfg * 100;
|
|
|
|
|
|
if (vn_max_rate < line_speed)
|
|
|
line_speed = vn_max_rate;
|
|
|
- } else /* IS_MF_SI(bp)) */
|
|
|
- line_speed = (line_speed * maxCfg) / 100;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
return line_speed;
|