git: 8b6adcb3c768 - stable/13 - cxgbe(4): Rename rx_c_chan to rx_chan.

The branch stable/13 has been updated by np:

URL: https://cgit.FreeBSD.org/src/commit/?id=8b6adcb3c76858accbe445eb9414064856477ce1

commit 8b6adcb3c76858accbe445eb9414064856477ce1
Author:     Navdeep Parhar <np@FreeBSD.org>
AuthorDate: 2024-04-30 23:07:24 +0000
Commit:     Navdeep Parhar <np@FreeBSD.org>
CommitDate: 2024-07-17 07:16:05 +0000

    cxgbe(4): Rename rx_c_chan to rx_chan.
    
    It is the equivalent of tx_chan but for receive so rx_chan is a better
    name.  Initialize both using helper functions and make sure both are
    displayed in the sysctl MIB.
    
    Sponsored by:   Chelsio Communications
    
    (cherry picked from commit 480ff89c67b25113515018cdcd13179229b4a0d3)
---
 sys/dev/cxgbe/adapter.h          |  4 ++--
 sys/dev/cxgbe/common/t4_hw.c     | 12 ++++++++++--
 sys/dev/cxgbe/crypto/t4_crypto.c |  2 +-
 sys/dev/cxgbe/t4_main.c          |  6 ++++--
 4 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/sys/dev/cxgbe/adapter.h b/sys/dev/cxgbe/adapter.h
index 8d70e840d3f2..17e4e682bdc2 100644
--- a/sys/dev/cxgbe/adapter.h
+++ b/sys/dev/cxgbe/adapter.h
@@ -324,10 +324,10 @@ struct port_info {
 	uint8_t  port_type;
 	uint8_t  mod_type;
 	uint8_t  port_id;
-	uint8_t  tx_chan;
+	uint8_t  tx_chan;	/* tx TP c-channel */
+	uint8_t  rx_chan;	/* rx TP c-channel */
 	uint8_t  mps_bg_map;	/* rx MPS buffer group bitmap */
 	uint8_t  rx_e_chan_map;	/* rx TP e-channel bitmap */
-	uint8_t  rx_c_chan;	/* rx TP c-channel */
 
 	struct link_config link_cfg;
 	struct ifmedia media;
diff --git a/sys/dev/cxgbe/common/t4_hw.c b/sys/dev/cxgbe/common/t4_hw.c
index 755062909e14..3e04995eec3b 100644
--- a/sys/dev/cxgbe/common/t4_hw.c
+++ b/sys/dev/cxgbe/common/t4_hw.c
@@ -6786,6 +6786,14 @@ static unsigned int t4_get_rx_c_chan(struct adapter *adap, int idx)
         return 0;
 }
 
+/*
+ * TP TX c-channel associated with the port.
+ */
+static unsigned int t4_get_tx_c_chan(struct adapter *adap, int idx)
+{
+	return idx;
+}
+
 /**
  *      t4_get_port_type_description - return Port Type string description
  *      @port_type: firmware Port Type enumeration
@@ -9817,10 +9825,10 @@ int t4_port_init(struct adapter *adap, int mbox, int pf, int vf, int port_id)
 		} while ((adap->params.portvec & (1 << j)) == 0);
 	}
 
-	p->tx_chan = j;
+	p->tx_chan = t4_get_tx_c_chan(adap, j);
+	p->rx_chan = t4_get_rx_c_chan(adap, j);
 	p->mps_bg_map = t4_get_mps_bg_map(adap, j);
 	p->rx_e_chan_map = t4_get_rx_e_chan_map(adap, j);
-	p->rx_c_chan = t4_get_rx_c_chan(adap, j);
 	p->lport = j;
 
 	if (!(adap->flags & IS_VF) ||
diff --git a/sys/dev/cxgbe/crypto/t4_crypto.c b/sys/dev/cxgbe/crypto/t4_crypto.c
index 7301174614d2..6e925103ba74 100644
--- a/sys/dev/cxgbe/crypto/t4_crypto.c
+++ b/sys/dev/cxgbe/crypto/t4_crypto.c
@@ -1919,7 +1919,7 @@ ccr_init_port(struct ccr_softc *sc, int port)
 	pi = sc->adapter->port[port];
 	sc->ports[port].txq = &sc->adapter->sge.ctrlq[port];
 	sc->ports[port].rxq = &sc->adapter->sge.rxq[pi->vi->first_rxq];
-	sc->ports[port].rx_channel_id = pi->rx_c_chan;
+	sc->ports[port].rx_channel_id = pi->rx_chan;
 	sc->ports[port].tx_channel_id = pi->tx_chan;
 	sc->ports[port].stats_queued = counter_u64_alloc(M_WAITOK);
 	sc->ports[port].stats_completed = counter_u64_alloc(M_WAITOK);
diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c
index 6db64dc53440..ae6e25e47a15 100644
--- a/sys/dev/cxgbe/t4_main.c
+++ b/sys/dev/cxgbe/t4_main.c
@@ -8062,8 +8062,10 @@ cxgbe_sysctls(struct port_info *pi)
 	    pi->mps_bg_map, "MPS buffer group map");
 	SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_e_chan_map", CTLFLAG_RD,
 	    NULL, pi->rx_e_chan_map, "TP rx e-channel map");
-	SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_c_chan", CTLFLAG_RD, NULL,
-	    pi->rx_c_chan, "TP rx c-channel");
+	SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_chan", CTLFLAG_RD, NULL,
+	    pi->tx_chan, "TP tx c-channel");
+	SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_chan", CTLFLAG_RD, NULL,
+	    pi->rx_chan, "TP rx c-channel");
 
 	if (sc->flags & IS_VF)
 		return;