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netxen: enable rss for NX2031

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Enable multiple rx rings for older NX2031 chip, firmware 3.4.336
or newer supports this feature.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dhananjay Phadke
2009-04-07 22:50:46 +00:00
committed by David S. Miller
parent f98a9f693b
commit f6d21f4412
4 changed files with 137 additions and 43 deletions
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27
drivers/net/netxen/netxen_nic.h
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@@ -195,6 +195,8 @@
#define MAX_JUMBO_RCV_DESCRIPTORS 1024
#define MAX_LRO_RCV_DESCRIPTORS 8
#define NETXEN_CTX_SIGNATURE 0xdee0
#define NETXEN_CTX_SIGNATURE_V2 0x0002dee0
#define NETXEN_CTX_RESET 0xbad0
#define NETXEN_RCV_PRODUCER(ringid) (ringid)
#define PHAN_PEG_RCV_INITIALIZED 0xff01
@@ -234,12 +236,19 @@ typedef u32 netxen_ctx_msg;
#define netxen_set_msg_opcode(config_word, val) \
((config_word) &= ~(0xf<<28), (config_word) |= (val & 0xf) << 28)
struct netxen_rcv_context {
__le64 rcv_ring_addr;
__le32 rcv_ring_size;
struct netxen_rcv_ring {
__le64 addr;
__le32 size;
__le32 rsrvd;
};
struct netxen_sts_ring {
__le64 addr;
__le32 size;
__le16 msi_index;
__le16 rsvd;
} ;
struct netxen_ring_ctx {
/* one command ring */
@@ -249,13 +258,18 @@ struct netxen_ring_ctx {
__le32 rsrvd;
/* three receive rings */
struct netxen_rcv_context rcv_ctx[3];
struct netxen_rcv_ring rcv_rings[NUM_RCV_DESC_RINGS];
/* one status ring */
__le64 sts_ring_addr;
__le32 sts_ring_size;
__le32 ctx_id;
__le64 rsrvd_2[3];
__le32 sts_ring_count;
__le32 rsrvd_3;
struct netxen_sts_ring sts_rings[NUM_STS_DESC_RINGS];
} __attribute__ ((aligned(64)));
/*
@@ -1219,7 +1233,8 @@ struct netxen_adapter {
u8 mc_enabled;
u8 max_mc_count;
u16 resv2;
u8 rss_supported;
u8 resv2;
u32 resv3;
u8 has_link_events;