cxgb4: Adds support for T6 adapter
Adds NIC driver related changes for T6 adapter. Register related
changes, MC related changes, VF related changes, doorbell related
changes, debugfs changes, etc
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index f9c889e..6b7c37fd0 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -522,14 +522,13 @@
static inline void ring_fl_db(struct adapter *adap, struct sge_fl *q)
{
- u32 val;
if (q->pend_cred >= 8) {
+ u32 val = adap->params.arch.sge_fl_db;
+
if (is_t4(adap->params.chip))
- val = PIDX_V(q->pend_cred / 8);
+ val |= PIDX_V(q->pend_cred / 8);
else
- val = PIDX_T5_V(q->pend_cred / 8) |
- DBTYPE_F;
- val |= DBPRIO_F;
+ val |= PIDX_T5_V(q->pend_cred / 8);
/* Make sure all memory writes to the Free List queue are
* committed before we tell the hardware about them.
@@ -1034,7 +1033,7 @@
* Figure out what HW csum a packet wants and return the appropriate control
* bits.
*/
-static u64 hwcsum(const struct sk_buff *skb)
+static u64 hwcsum(enum chip_type chip, const struct sk_buff *skb)
{
int csum_type;
const struct iphdr *iph = ip_hdr(skb);
@@ -1065,11 +1064,16 @@
goto nocsum;
}
- if (likely(csum_type >= TX_CSUM_TCPIP))
- return TXPKT_CSUM_TYPE_V(csum_type) |
- TXPKT_IPHDR_LEN_V(skb_network_header_len(skb)) |
- TXPKT_ETHHDR_LEN_V(skb_network_offset(skb) - ETH_HLEN);
- else {
+ if (likely(csum_type >= TX_CSUM_TCPIP)) {
+ u64 hdr_len = TXPKT_IPHDR_LEN_V(skb_network_header_len(skb));
+ int eth_hdr_len = skb_network_offset(skb) - ETH_HLEN;
+
+ if (CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5)
+ hdr_len |= TXPKT_ETHHDR_LEN_V(eth_hdr_len);
+ else
+ hdr_len |= T6_TXPKT_ETHHDR_LEN_V(eth_hdr_len);
+ return TXPKT_CSUM_TYPE_V(csum_type) | hdr_len;
+ } else {
int start = skb_transport_offset(skb);
return TXPKT_CSUM_TYPE_V(csum_type) |
@@ -1237,9 +1241,15 @@
else
lso->c.len = htonl(LSO_T5_XFER_SIZE_V(skb->len));
cpl = (void *)(lso + 1);
- cntrl = TXPKT_CSUM_TYPE_V(v6 ? TX_CSUM_TCPIP6 : TX_CSUM_TCPIP) |
- TXPKT_IPHDR_LEN_V(l3hdr_len) |
- TXPKT_ETHHDR_LEN_V(eth_xtra_len);
+
+ if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5)
+ cntrl = TXPKT_ETHHDR_LEN_V(eth_xtra_len);
+ else
+ cntrl = T6_TXPKT_ETHHDR_LEN_V(eth_xtra_len);
+
+ cntrl |= TXPKT_CSUM_TYPE_V(v6 ?
+ TX_CSUM_TCPIP6 : TX_CSUM_TCPIP) |
+ TXPKT_IPHDR_LEN_V(l3hdr_len);
q->tso++;
q->tx_cso += ssi->gso_segs;
} else {
@@ -1248,7 +1258,8 @@
FW_WR_IMMDLEN_V(len));
cpl = (void *)(wr + 1);
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- cntrl = hwcsum(skb) | TXPKT_IPCSUM_DIS_F;
+ cntrl = hwcsum(adap->params.chip, skb) |
+ TXPKT_IPCSUM_DIS_F;
q->tx_cso++;
}
}
@@ -2440,6 +2451,8 @@
c.iqns_to_fl0congen = htonl(FW_IQ_CMD_IQFLINTCONGEN_F);
if (fl) {
+ enum chip_type chip = CHELSIO_CHIP_VERSION(adap->params.chip);
+
/* Allocate the ring for the hardware free list (with space
* for its status page) along with the associated software
* descriptor ring. The free list size needs to be a multiple
@@ -2468,7 +2481,9 @@
FW_IQ_CMD_FL0CONGEN_F);
c.fl0dcaen_to_fl0cidxfthresh =
htons(FW_IQ_CMD_FL0FBMIN_V(FETCHBURSTMIN_64B_X) |
- FW_IQ_CMD_FL0FBMAX_V(FETCHBURSTMAX_512B_X));
+ FW_IQ_CMD_FL0FBMAX_V((chip <= CHELSIO_T5) ?
+ FETCHBURSTMAX_512B_X :
+ FETCHBURSTMAX_256B_X));
c.fl0size = htons(flsz);
c.fl0addr = cpu_to_be64(fl->addr);
}