From cadc7ed2e2720f39725647fd6f26be15afecc718 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 15 Sep 2020 10:40:54 +0900
Subject: [PATCH] ethtool: constify arguments for ethtool_set_xxx()

---
 src/shared/ethtool-util.c | 8 ++++----
 src/shared/ethtool-util.h | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/shared/ethtool-util.c b/src/shared/ethtool-util.c
index 9326d2856e..adbf8d1db3 100644
--- a/src/shared/ethtool-util.c
+++ b/src/shared/ethtool-util.c
@@ -414,7 +414,7 @@ int ethtool_set_wol(int *ethtool_fd, const char *ifname, WakeOnLan wol) {
         return 0;
 }
 
-int ethtool_set_nic_buffer_size(int *ethtool_fd, const char *ifname, netdev_ring_param *ring) {
+int ethtool_set_nic_buffer_size(int *ethtool_fd, const char *ifname, const netdev_ring_param *ring) {
         struct ethtool_ringparam ecmd = {
                 .cmd = ETHTOOL_GRINGPARAM
         };
@@ -543,7 +543,7 @@ static int set_features_bit(
         return found ? 0 : -ENODATA;
 }
 
-int ethtool_set_features(int *ethtool_fd, const char *ifname, int *features) {
+int ethtool_set_features(int *ethtool_fd, const char *ifname, const int *features) {
         _cleanup_free_ struct ethtool_gstrings *strings = NULL;
         struct ethtool_sfeatures *sfeatures;
         struct ifreq ifr = {};
@@ -754,7 +754,7 @@ int ethtool_set_glinksettings(
                 int *fd,
                 const char *ifname,
                 int autonegotiation,
-                uint32_t advertise[static N_ADVERTISE],
+                const uint32_t advertise[static N_ADVERTISE],
                 uint64_t speed,
                 Duplex duplex,
                 NetDevPort port) {
@@ -813,7 +813,7 @@ int ethtool_set_glinksettings(
         return r;
 }
 
-int ethtool_set_channels(int *fd, const char *ifname, netdev_channels *channels) {
+int ethtool_set_channels(int *fd, const char *ifname, const netdev_channels *channels) {
         struct ethtool_channels ecmd = {
                 .cmd = ETHTOOL_GCHANNELS
         };
diff --git a/src/shared/ethtool-util.h b/src/shared/ethtool-util.h
index 4730241708..9e3f1ed51a 100644
--- a/src/shared/ethtool-util.h
+++ b/src/shared/ethtool-util.h
@@ -101,12 +101,12 @@ int ethtool_get_link_info(int *ethtool_fd, const char *ifname,
 int ethtool_get_permanent_macaddr(int *ethtool_fd, const char *ifname, struct ether_addr *ret);
 int ethtool_set_speed(int *ethtool_fd, const char *ifname, unsigned speed, Duplex duplex);
 int ethtool_set_wol(int *ethtool_fd, const char *ifname, WakeOnLan wol);
-int ethtool_set_nic_buffer_size(int *ethtool_fd, const char *ifname, netdev_ring_param *ring);
-int ethtool_set_features(int *ethtool_fd, const char *ifname, int *features);
+int ethtool_set_nic_buffer_size(int *ethtool_fd, const char *ifname, const netdev_ring_param *ring);
+int ethtool_set_features(int *ethtool_fd, const char *ifname, const int *features);
 int ethtool_set_glinksettings(int *ethtool_fd, const char *ifname,
-                              int autonegotiation, uint32_t advertise[static N_ADVERTISE],
+                              int autonegotiation, const uint32_t advertise[static N_ADVERTISE],
                               uint64_t speed, Duplex duplex, NetDevPort port);
-int ethtool_set_channels(int *ethtool_fd, const char *ifname, netdev_channels *channels);
+int ethtool_set_channels(int *ethtool_fd, const char *ifname, const netdev_channels *channels);
 int ethtool_set_flow_control(int *fd, const char *ifname, int rx, int tx, int autoneg);
 
 const char *duplex_to_string(Duplex d) _const_;