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openwrt/package/kernel/lantiq/vrx518_tc/patches/205-dcdp-ptm_tc-dynamically-alloc-mib.patch

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kernel: lantiq: vrx518_tc: add patch fix compilation warning for ptm_tc Alloc MIB struct dynamically instead to fix compilation warning for stack limit. Fix compilation warning: /__w/openwrt/openwrt/openwrt/build_dir/target-arm-openwrt-linux-muslgnueabi_musl/linux-ipq40xx_chromium/vrx518_tc_drv-ugw_8.5.2.10/dcdp/ptm_tc.c: In function 'ptm_tc_get_stats': /__w/openwrt/openwrt/openwrt/build_dir/target-arm-openwrt-linux-muslgnueabi_musl/linux-ipq40xx_chromium/vrx518_tc_drv-ugw_8.5.2.10/dcdp/ptm_tc.c:463:1: error: the frame size of 1032 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] 463 | } | ^ cc1: all warnings being treated as errors Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2023-05-09 21:32:29 +00:00
--- a/dcdp/ptm_tc.c
+++ b/dcdp/ptm_tc.c
@@ -298,15 +298,19 @@ static int ptm_tc_get_stats(struct ptm_e
)
{
struct rtnl_link_stats64 *stat;
- struct wan_rx_mib_table rx_mib;
+ struct wan_rx_mib_table *rx_mib;
unsigned int cur_cnt, last_cnt;
struct intel_tc_ptm_sl_stats *ptm_sl_stats;
struct ptm_priv *ptm_tc;
+ int ret = 0;
if (!priv || !stats)
return -EFAULT;
ptm_tc = priv->ptm_tc;
if (!ptm_tc)
return -EFAULT;
+ rx_mib = kzalloc(sizeof(*rx_mib), GFP_KERNEL);
+ if (!rx_mib)
+ return -ENOMEM;
if (bonding)
stats->tc_info = TC_PTM_BND_MODE;
else
@@ -340,11 +344,11 @@ static int ptm_tc_get_stats(struct ptm_e
? cur_cnt - last_cnt
: cur_cnt + ((unsigned int)(-1) - last_cnt);
- tc_mem_read(priv, &rx_mib,
+ tc_mem_read(priv, rx_mib,
fpi_addr(__RX_GIF_MIB_BASE),
- sizeof(rx_mib)
+ sizeof(*rx_mib)
);
- ptm_sl_stats->wrx_gif_drop_pdu = rx_mib.wrx_dropdes_pdu;
+ ptm_sl_stats->wrx_gif_drop_pdu = rx_mib->wrx_dropdes_pdu;
cur_cnt = tc_r32(GIF0_RX_CRC_ERR_CNT);
last_cnt = priv->ptm_mib.rx_crc_err_pdu[0];
@@ -358,7 +362,7 @@ static int ptm_tc_get_stats(struct ptm_e
? cur_cnt - last_cnt
: cur_cnt + ((unsigned int)(-1) - last_cnt);
- ptm_sl_stats->wrx_gif_total_bytes = rx_mib.wrx_total_bytes;
+ ptm_sl_stats->wrx_gif_total_bytes = rx_mib->wrx_total_bytes;
cur_cnt = sb_r32(__US_TC_LOCAL_Q_CFG_CTXT_BASE +
offsetof(desq_cfg_ctxt_t, deq_pkt_cnt) / 4);
last_cnt = priv->ptm_mib.tx_total_pdu[0];
@@ -376,90 +380,108 @@ static int ptm_tc_get_stats(struct ptm_e
/* For bonding information */
if (bonding) {
int i;
- struct intel_tc_ptm_bonding_stats ptm_ds;
- struct intel_tc_ptm_bonding_stats ptm_us;
+ struct intel_tc_ptm_bonding_stats *ptm_ds;
+ struct intel_tc_ptm_bonding_stats *ptm_us;
struct intel_tc_ptm_bonding_stats *ptm_bonding_stats;
+
+ ptm_ds = kzalloc(sizeof(*ptm_ds), GFP_KERNEL);
+ if (!ptm_ds) {
+ ret = -ENOMEM;
+ goto free_rx_mib;
+ }
+
+ ptm_us = kzalloc(sizeof(*ptm_us), GFP_KERNEL);
+ if (!ptm_us) {
+ ret = -ENOMEM;
+ goto free_ptm_ds;
+ }
+
priv = tc_ep_priv(0);
- ptm_tc_bond_get_stats(priv, &ptm_ds);
+ ptm_tc_bond_get_stats(priv, ptm_ds);
priv = tc_ep_priv(1);
- ptm_tc_bond_get_stats(priv, &ptm_us);
+ ptm_tc_bond_get_stats(priv, ptm_us);
ptm_bonding_stats =
&(stats->stats.ptm_tc_stats.pmt_bonding_stats);
for (i = 0; i < 8; i++)
ptm_bonding_stats->us_gif_mib[i] =
- ptm_ds.us_gif_mib[i] + ptm_us.us_gif_mib[i];
+ ptm_ds->us_gif_mib[i] + ptm_us->us_gif_mib[i];
for (i = 0; i < 8; i++) {
ptm_bonding_stats->ds_gif_mib[i].rx_frag_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_frag_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_frag_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_frag_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_frag_byte_cnt;
ptm_bonding_stats->ds_gif_mib[i].rx_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_byte_cnt;
ptm_bonding_stats->ds_gif_mib[i].rx_of_frag_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_of_frag_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_of_frag_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_of_frag_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_of_frag_byte_cnt;
ptm_bonding_stats->ds_gif_mib[i].rx_of_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_of_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_of_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_of_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_of_byte_cnt;
ptm_bonding_stats->ds_gif_mib[i].rx_oor_frag_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_oor_frag_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_oor_frag_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_oor_frag_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_oor_frag_byte_cnt;
ptm_bonding_stats->ds_gif_mib[i].rx_miss_frag_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_miss_frag_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_miss_frag_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_miss_frag_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_miss_frag_byte_cnt;
ptm_bonding_stats->ds_gif_mib[i].rx_to_frag_byte_cnt =
- ptm_ds.ds_gif_mib[i].rx_to_frag_byte_cnt
- + ptm_us.ds_gif_mib[i].rx_to_frag_byte_cnt;
+ ptm_ds->ds_gif_mib[i].rx_to_frag_byte_cnt
+ + ptm_us->ds_gif_mib[i].rx_to_frag_byte_cnt;
}
for (i = 0; i < 4; i++) {
ptm_bonding_stats->ds_bg_mib[i].conform_pkt_cnt =
- ptm_ds.ds_bg_mib[i].conform_pkt_cnt
- + ptm_us.ds_bg_mib[i].conform_pkt_cnt;
+ ptm_ds->ds_bg_mib[i].conform_pkt_cnt
+ + ptm_us->ds_bg_mib[i].conform_pkt_cnt;
ptm_bonding_stats->ds_bg_mib[i].conform_frag_cnt =
- ptm_ds.ds_bg_mib[i].conform_frag_cnt
- + ptm_us.ds_bg_mib[i].conform_frag_cnt;
+ ptm_ds->ds_bg_mib[i].conform_frag_cnt
+ + ptm_us->ds_bg_mib[i].conform_frag_cnt;
ptm_bonding_stats->ds_bg_mib[i].conform_byte_cnt =
- ptm_ds.ds_bg_mib[i].conform_byte_cnt
- + ptm_us.ds_bg_mib[i].conform_byte_cnt;
+ ptm_ds->ds_bg_mib[i].conform_byte_cnt
+ + ptm_us->ds_bg_mib[i].conform_byte_cnt;
ptm_bonding_stats->ds_bg_mib[i].no_sop_pkt_cnt =
- ptm_ds.ds_bg_mib[i].no_sop_pkt_cnt
- + ptm_us.ds_bg_mib[i].no_sop_pkt_cnt;
+ ptm_ds->ds_bg_mib[i].no_sop_pkt_cnt
+ + ptm_us->ds_bg_mib[i].no_sop_pkt_cnt;
ptm_bonding_stats->ds_bg_mib[i].no_sop_frag_cnt =
- ptm_ds.ds_bg_mib[i].no_sop_frag_cnt
- + ptm_us.ds_bg_mib[i].no_sop_frag_cnt;
+ ptm_ds->ds_bg_mib[i].no_sop_frag_cnt
+ + ptm_us->ds_bg_mib[i].no_sop_frag_cnt;
ptm_bonding_stats->ds_bg_mib[i].no_sop_byte_cnt =
- ptm_ds.ds_bg_mib[i].no_sop_byte_cnt
- + ptm_us.ds_bg_mib[i].no_sop_byte_cnt;
+ ptm_ds->ds_bg_mib[i].no_sop_byte_cnt
+ + ptm_us->ds_bg_mib[i].no_sop_byte_cnt;
ptm_bonding_stats->ds_bg_mib[i].no_eop_pkt_cnt =
- ptm_ds.ds_bg_mib[i].no_eop_pkt_cnt
- + ptm_us.ds_bg_mib[i].no_eop_pkt_cnt;
+ ptm_ds->ds_bg_mib[i].no_eop_pkt_cnt
+ + ptm_us->ds_bg_mib[i].no_eop_pkt_cnt;
ptm_bonding_stats->ds_bg_mib[i].no_eop_frag_cnt =
- ptm_ds.ds_bg_mib[i].no_eop_frag_cnt
- + ptm_us.ds_bg_mib[i].no_eop_frag_cnt;
+ ptm_ds->ds_bg_mib[i].no_eop_frag_cnt
+ + ptm_us->ds_bg_mib[i].no_eop_frag_cnt;
ptm_bonding_stats->ds_bg_mib[i].no_eop_byte_cnt =
- ptm_ds.ds_bg_mib[i].no_eop_byte_cnt
- + ptm_us.ds_bg_mib[i].no_eop_byte_cnt;
+ ptm_ds->ds_bg_mib[i].no_eop_byte_cnt
+ + ptm_us->ds_bg_mib[i].no_eop_byte_cnt;
ptm_bonding_stats->ds_bg_mib[i].oversize_pkt_cnt =
- ptm_ds.ds_bg_mib[i].oversize_pkt_cnt
- + ptm_us.ds_bg_mib[i].oversize_pkt_cnt;
+ ptm_ds->ds_bg_mib[i].oversize_pkt_cnt
+ + ptm_us->ds_bg_mib[i].oversize_pkt_cnt;
ptm_bonding_stats->ds_bg_mib[i].oversize_frag_cnt =
- ptm_ds.ds_bg_mib[i].oversize_frag_cnt
- + ptm_us.ds_bg_mib[i].oversize_frag_cnt;
+ ptm_ds->ds_bg_mib[i].oversize_frag_cnt
+ + ptm_us->ds_bg_mib[i].oversize_frag_cnt;
ptm_bonding_stats->ds_bg_mib[i].oversize_byte_cnt =
- ptm_ds.ds_bg_mib[i].oversize_byte_cnt
- + ptm_us.ds_bg_mib[i].oversize_byte_cnt;
+ ptm_ds->ds_bg_mib[i].oversize_byte_cnt
+ + ptm_us->ds_bg_mib[i].oversize_byte_cnt;
ptm_bonding_stats->ds_bg_mib[i].noncosec_pkt_cnt =
- ptm_ds.ds_bg_mib[i].noncosec_pkt_cnt
- + ptm_us.ds_bg_mib[i].noncosec_pkt_cnt;
+ ptm_ds->ds_bg_mib[i].noncosec_pkt_cnt
+ + ptm_us->ds_bg_mib[i].noncosec_pkt_cnt;
ptm_bonding_stats->ds_bg_mib[i].noncosec_frag_cnt =
- ptm_ds.ds_bg_mib[i].noncosec_frag_cnt
- + ptm_us.ds_bg_mib[i].noncosec_frag_cnt;
+ ptm_ds->ds_bg_mib[i].noncosec_frag_cnt
+ + ptm_us->ds_bg_mib[i].noncosec_frag_cnt;
ptm_bonding_stats->ds_bg_mib[i].noncosec_byte_cnt =
- ptm_ds.ds_bg_mib[i].noncosec_byte_cnt
- + ptm_us.ds_bg_mib[i].noncosec_byte_cnt;
+ ptm_ds->ds_bg_mib[i].noncosec_byte_cnt
+ + ptm_us->ds_bg_mib[i].noncosec_byte_cnt;
}
+ kfree(ptm_us);
+free_ptm_ds:
+ kfree(ptm_ds);
}
- return 0;
+free_rx_mib:
+ kfree(rx_mib);
+ return ret;
}
static int ptm_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
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