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[src/trunk]: src/sys/dev/pci Sprinkle const. Same binary before and after.



details:   https://anonhg.NetBSD.org/src/rev/f8ddef828002
branches:  trunk
changeset: 369927:f8ddef828002
user:      skrll <skrll%NetBSD.org@localhost>
date:      Thu Sep 08 07:05:42 2022 +0000

description:
Sprinkle const. Same binary before and after.

diffstat:

 sys/dev/pci/if_aq.c |  100 +++++++++++++++++++++++----------------------------
 1 files changed, 45 insertions(+), 55 deletions(-)

diffs (264 lines):

diff -r 61fcafd1ac11 -r f8ddef828002 sys/dev/pci/if_aq.c
--- a/sys/dev/pci/if_aq.c       Thu Sep 08 06:57:44 2022 +0000
+++ b/sys/dev/pci/if_aq.c       Thu Sep 08 07:05:42 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_aq.c,v 1.31 2021/11/13 21:38:48 ryo Exp $   */
+/*     $NetBSD: if_aq.c,v 1.32 2022/09/08 07:05:42 skrll Exp $ */
 
 /**
  * aQuantia Corporation Network Driver
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.31 2021/11/13 21:38:48 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.32 2022/09/08 07:05:42 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_if_aq.h"
@@ -1231,7 +1231,7 @@
 static int
 aq_match(device_t parent, cfdata_t cf, void *aux)
 {
-       struct pci_attach_args *pa = aux;
+       struct pci_attach_args * const pa = aux;
 
        if (aq_lookup(pa) != NULL)
                return 1;
@@ -1242,9 +1242,9 @@
 static void
 aq_attach(device_t parent, device_t self, void *aux)
 {
-       struct aq_softc *sc = device_private(self);
-       struct pci_attach_args *pa = aux;
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct aq_softc * const sc = device_private(self);
+       struct pci_attach_args * const pa = aux;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
        pci_chipset_tag_t pc;
        pcitag_t tag;
        pcireg_t command, memtype, bar;
@@ -1545,13 +1545,13 @@
 static int
 aq_detach(device_t self, int flags __unused)
 {
-       struct aq_softc *sc = device_private(self);
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
-       int i, s;
+       struct aq_softc * const sc = device_private(self);
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
+       int i;
 
        if (sc->sc_iosize != 0) {
                if (ifp->if_softc != NULL) {
-                       s = splnet();
+                       const int s = splnet();
                        aq_stop(ifp, 0);
                        splx(s);
                }
@@ -2623,7 +2623,7 @@
 static int
 aq_set_capability(struct aq_softc *sc)
 {
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
        int ip4csum_tx =
            ((ifp->if_capenable & IFCAP_CSUM_IPv4_Tx) == 0) ? 0 : 1;
        int ip4csum_rx =
@@ -2689,8 +2689,8 @@
 static int
 aq_set_filter(struct aq_softc *sc)
 {
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
-       struct ethercom *ec = &sc->sc_ethercom;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
+       struct ethercom * const ec = &sc->sc_ethercom;
        struct ether_multi *enm;
        struct ether_multistep step;
        int idx, error = 0;
@@ -2752,7 +2752,7 @@
 static int
 aq_ifmedia_change(struct ifnet * const ifp)
 {
-       struct aq_softc *sc = ifp->if_softc;
+       struct aq_softc * const sc = ifp->if_softc;
        aq_link_speed_t rate = AQ_LINK_NONE;
        aq_link_fc_t fc = AQ_FC_NONE;
        aq_link_eee_t eee = AQ_EEE_DISABLE;
@@ -2802,7 +2802,7 @@
 static void
 aq_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *ifmr)
 {
-       struct aq_softc *sc = ifp->if_softc;
+       struct aq_softc * const sc = ifp->if_softc;
 
        /* update ifm_active */
        ifmr->ifm_active = IFM_ETHER;
@@ -3246,8 +3246,8 @@
 static void
 aq_set_vlan_filters(struct aq_softc *sc)
 {
-       struct ethercom *ec = &sc->sc_ethercom;
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct ethercom * const ec = &sc->sc_ethercom;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
        struct vlanid_list *vlanidp;
        int i;
 
@@ -3352,7 +3352,7 @@
 static int
 aq_update_link_status(struct aq_softc *sc)
 {
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
        aq_link_speed_t rate = AQ_LINK_NONE;
        aq_link_fc_t fc = AQ_FC_NONE;
        aq_link_eee_t eee = AQ_EEE_DISABLE;
@@ -4214,9 +4214,9 @@
 static int
 aq_tx_intr(void *arg)
 {
-       struct aq_txring *txring = arg;
-       struct aq_softc *sc = txring->txr_sc;
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct aq_txring * const txring = arg;
+       struct aq_softc * const sc = txring->txr_sc;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
        struct mbuf *m;
        const int ringidx = txring->txr_index;
        unsigned int idx, hw_head, n = 0;
@@ -4273,9 +4273,9 @@
 static int
 aq_rx_intr(void *arg)
 {
-       struct aq_rxring *rxring = arg;
-       struct aq_softc *sc = rxring->rxr_sc;
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct aq_rxring * const rxring = arg;
+       struct aq_softc * const sc = rxring->rxr_sc;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
        const int ringidx = rxring->rxr_index;
        aq_rx_desc_t *rxd;
        struct mbuf *m, *m0, *mprev, *new_m;
@@ -4494,7 +4494,7 @@
 aq_vlan_cb(struct ethercom *ec, uint16_t vid, bool set)
 {
        struct ifnet *ifp = &ec->ec_if;
-       struct aq_softc *sc = ifp->if_softc;
+       struct aq_softc * const sc = ifp->if_softc;
 
        aq_set_vlan_filters(sc);
        return 0;
@@ -4503,8 +4503,8 @@
 static int
 aq_ifflags_cb(struct ethercom *ec)
 {
-       struct ifnet *ifp = &ec->ec_if;
-       struct aq_softc *sc = ifp->if_softc;
+       struct ifnet * const ifp = &ec->ec_if;
+       struct aq_softc * const sc = ifp->if_softc;
        int i, ecchange, error = 0;
        unsigned short iffchange;
 
@@ -4539,7 +4539,7 @@
 static int
 aq_init(struct ifnet *ifp)
 {
-       struct aq_softc *sc = ifp->if_softc;
+       struct aq_softc * const sc = ifp->if_softc;
        int i, error = 0;
 
        aq_stop(ifp, false);
@@ -4651,11 +4651,9 @@
 static void
 aq_start(struct ifnet *ifp)
 {
-       struct aq_softc *sc;
-       struct aq_txring *txring;
-
-       sc = ifp->if_softc;
-       txring = &sc->sc_queue[0].txring; /* aq_start() always use TX ring[0] */
+       struct aq_softc * const sc = ifp->if_softc;
+       /* aq_start() always use TX ring[0] */
+       struct aq_txring * const txring = &sc->sc_queue[0].txring;
 
        mutex_enter(&txring->txr_mutex);
        if (txring->txr_active && !ISSET(ifp->if_flags, IFF_OACTIVE))
@@ -4672,12 +4670,9 @@
 static int
 aq_transmit(struct ifnet *ifp, struct mbuf *m)
 {
-       struct aq_softc *sc = ifp->if_softc;
-       struct aq_txring *txring;
-       int ringidx;
-
-       ringidx = aq_select_txqueue(sc, m);
-       txring = &sc->sc_queue[ringidx].txring;
+       struct aq_softc * const sc = ifp->if_softc;
+       const int ringidx = aq_select_txqueue(sc, m);
+       struct aq_txring * const txring = &sc->sc_queue[ringidx].txring;
 
        if (__predict_false(!pcq_put(txring->txr_pcq, m))) {
                m_freem(m);
@@ -4696,9 +4691,9 @@
 static void
 aq_deferred_transmit(void *arg)
 {
-       struct aq_txring *txring = arg;
-       struct aq_softc *sc = txring->txr_sc;
-       struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+       struct aq_txring * const txring = arg;
+       struct aq_softc * const sc = txring->txr_sc;
+       struct ifnet * const ifp = &sc->sc_ethercom.ec_if;
 
        mutex_enter(&txring->txr_mutex);
        if (pcq_peek(txring->txr_pcq) != NULL)
@@ -4709,7 +4704,7 @@
 static void
 aq_stop(struct ifnet *ifp, int disable)
 {
-       struct aq_softc *sc = ifp->if_softc;
+       struct aq_softc * const sc = ifp->if_softc;
        int i;
 
        AQ_LOCK(sc);
@@ -4754,8 +4749,7 @@
 static void
 aq_watchdog(struct ifnet *ifp)
 {
-       struct aq_softc *sc = ifp->if_softc;
-       struct aq_txring *txring;
+       struct aq_softc * const sc = ifp->if_softc;
        int n, head, tail;
 
        AQ_LOCK(sc);
@@ -4765,7 +4759,7 @@
            AQ_READ_REG(sc, AQ_INTR_STATUS_REG));
 
        for (n = 0; n < sc->sc_nqueues; n++) {
-               txring = &sc->sc_queue[n].txring;
+               struct aq_txring * const txring = &sc->sc_queue[n].txring;
                head = AQ_READ_REG_BIT(sc,
                    TX_DMA_DESC_HEAD_PTR_REG(txring->txr_index),
                    TX_DMA_DESC_HEAD_PTR),
@@ -4786,15 +4780,11 @@
 static int
 aq_ioctl(struct ifnet *ifp, unsigned long cmd, void *data)
 {
-       struct aq_softc *sc __unused;
-       struct ifreq *ifr __unused;
-       int error, s;
-
-       sc = (struct aq_softc *)ifp->if_softc;
-       ifr = (struct ifreq *)data;
-       error = 0;
-
-       s = splnet();
+       struct aq_softc * const sc = ifp->if_softc;
+       struct ifreq * const ifr = data;
+       int error = 0;
+
+       const int s = splnet();
        switch (cmd) {
        case SIOCSIFMTU:
                if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > sc->sc_max_mtu) {



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