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path: root/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
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Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
index 28e74ee23ff8..021d99cd1665 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
@@ -24,6 +24,7 @@
#include "octeon_device.h"
#include "octeon_main.h"
#include "octeon_mailbox.h"
+#include "cn23xx_pf_device.h"
/**
* octeon_mbox_read:
@@ -205,6 +206,26 @@ int octeon_mbox_write(struct octeon_device *oct,
return ret;
}
+static void get_vf_stats(struct octeon_device *oct,
+ struct oct_vf_stats *stats)
+{
+ int i;
+
+ for (i = 0; i < oct->num_iqs; i++) {
+ if (!oct->instr_queue[i])
+ continue;
+ stats->tx_packets += oct->instr_queue[i]->stats.tx_done;
+ stats->tx_bytes += oct->instr_queue[i]->stats.tx_tot_bytes;
+ }
+
+ for (i = 0; i < oct->num_oqs; i++) {
+ if (!oct->droq[i])
+ continue;
+ stats->rx_packets += oct->droq[i]->stats.rx_pkts_received;
+ stats->rx_bytes += oct->droq[i]->stats.rx_bytes_received;
+ }
+}
+
/**
* octeon_mbox_process_cmd:
* @mbox: Pointer mailbox
@@ -250,6 +271,15 @@ static int octeon_mbox_process_cmd(struct octeon_mbox *mbox,
mbox_cmd->msg.s.params);
break;
+ case OCTEON_GET_VF_STATS:
+ dev_dbg(&oct->pci_dev->dev, "Got VF stats request. Sending data back\n");
+ mbox_cmd->msg.s.type = OCTEON_MBOX_RESPONSE;
+ mbox_cmd->msg.s.resp_needed = 1;
+ mbox_cmd->msg.s.len = 1 +
+ sizeof(struct oct_vf_stats) / sizeof(u64);
+ get_vf_stats(oct, (struct oct_vf_stats *)mbox_cmd->data);
+ octeon_mbox_write(oct, mbox_cmd);
+ break;
default:
break;
}
@@ -322,3 +352,25 @@ int octeon_mbox_process_message(struct octeon_mbox *mbox)
return 0;
}
+
+int octeon_mbox_cancel(struct octeon_device *oct, int q_no)
+{
+ struct octeon_mbox *mbox = oct->mbox[q_no];
+ struct octeon_mbox_cmd *mbox_cmd;
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&mbox->lock, flags);
+ mbox_cmd = &mbox->mbox_resp;
+
+ if (!(mbox->state & OCTEON_MBOX_STATE_RESPONSE_PENDING)) {
+ spin_unlock_irqrestore(&mbox->lock, flags);
+ return 1;
+ }
+
+ mbox->state = OCTEON_MBOX_STATE_IDLE;
+ memset(mbox_cmd, 0, sizeof(*mbox_cmd));
+ writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
+ spin_unlock_irqrestore(&mbox->lock, flags);
+
+ return 0;
+}