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net: thunderx: Pause frame support

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Enable pause frames on both Rx and Tx side, configure pause
interval e.t.c. Also support for enable/disable pause frames
on Rx/Tx via ethtool has been added.

Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sunil Goutham
2016-11-24 14:48:03 +05:30
committed by David S. Miller
parent d5b2d7a718
commit 430da20808
6 changed files with 166 additions and 0 deletions
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17
drivers/net/ethernet/cavium/thunder/nic.h
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@@ -149,6 +149,12 @@ struct nicvf_rss_info {
u64 key[RSS_HASH_KEY_SIZE];
} ____cacheline_aligned_in_smp;
struct nicvf_pfc {
u8 autoneg;
u8 fc_rx;
u8 fc_tx;
};
enum rx_stats_reg_offset {
RX_OCTS = 0x0,
RX_UCAST = 0x1,
@@ -298,6 +304,7 @@ struct nicvf {
bool tns_mode;
bool loopback_supported;
struct nicvf_rss_info rss_info;
struct nicvf_pfc pfc;
struct tasklet_struct qs_err_task;
struct work_struct reset_task;
@@ -358,6 +365,7 @@ struct nicvf {
#define NIC_MBOX_MSG_SNICVF_PTR 0x15 /* Send sqet nicvf ptr to PVF */
#define NIC_MBOX_MSG_LOOPBACK 0x16 /* Set interface in loopback */
#define NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17 /* Reset statistics counters */
#define NIC_MBOX_MSG_PFC 0x18 /* Pause frame control */
#define NIC_MBOX_MSG_CFG_DONE 0xF0 /* VF configuration done */
#define NIC_MBOX_MSG_SHUTDOWN 0xF1 /* VF is being shutdown */
@@ -500,6 +508,14 @@ struct reset_stat_cfg {
u16 sq_stat_mask;
};
struct pfc {
u8 msg;
u8 get; /* Get or set PFC settings */
u8 autoneg;
u8 fc_rx;
u8 fc_tx;
};
/* 128 bit shared memory between PF and each VF */
union nic_mbx {
struct { u8 msg; } msg;
@@ -518,6 +534,7 @@ union nic_mbx {
struct nicvf_ptr nicvf;
struct set_loopback lbk;
struct reset_stat_cfg reset_stat;
struct pfc pfc;
};
#define NIC_NODE_ID_MASK 0x03