netdev - [PATCH net-next 1/7] net: ipa: kill two constant symbols

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221021191340.4187935-2-elder@linaro.org>
Date:   Fri, 21 Oct 2022 14:13:34 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     mka@...omium.org, evgreen@...omium.org, andersson@...nel.org,
        quic_cpratapa@...cinc.com, quic_avuyyuru@...cinc.com,
        quic_jponduru@...cinc.com, quic_subashab@...cinc.com,
        elder@...nel.org, netdev@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 1/7] net: ipa: kill two constant symbols

The entries in each IPA routing table are divided between the modem
and the AP.  The modem always gets some number of entries located at
the base of the table; the AP gets all those that follow.

There's no reason to think the modem will use anything different
from the first entries in a routing table, so:
  - Get rid of IPA_ROUTE_MODEM_MIN (just assume it's 0)
  - Get rid of IPA_ROUTE_AP_MIN (just assume it's IPA_ROUTE_MODEM_COUNT)
And finally:
  - Open-code IPA_ROUTE_AP_COUNT and remove its definition

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_table.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c
index 510ff2dc8999a..74d7082b3c5aa 100644
--- a/drivers/net/ipa/ipa_table.c
+++ b/drivers/net/ipa/ipa_table.c
@@ -106,12 +106,6 @@
  *                 ----------------------
  */
 
-/* Assignment of route table entries to the modem and AP */
-#define IPA_ROUTE_MODEM_MIN		0
-#define IPA_ROUTE_AP_MIN		IPA_ROUTE_MODEM_COUNT
-#define IPA_ROUTE_AP_COUNT \
-		(IPA_ROUTE_COUNT_MAX - IPA_ROUTE_MODEM_COUNT)
-
 /* Filter or route rules consist of a set of 32-bit values followed by a
  * 32-bit all-zero rule list terminator.  The "zero rule" is simply an
  * all-zero rule followed by the list terminator.
@@ -342,11 +336,11 @@ static int ipa_route_reset(struct ipa *ipa, bool modem)
 	}
 
 	if (modem) {
-		first = IPA_ROUTE_MODEM_MIN;
+		first = 0;
 		count = IPA_ROUTE_MODEM_COUNT;
 	} else {
-		first = IPA_ROUTE_AP_MIN;
-		count = IPA_ROUTE_AP_COUNT;
+		first = IPA_ROUTE_MODEM_COUNT;
+		count = IPA_ROUTE_COUNT_MAX - IPA_ROUTE_MODEM_COUNT;
 	}
 
 	ipa_table_reset_add(trans, false, first, count, IPA_MEM_V4_ROUTE);
@@ -561,8 +555,7 @@ static void ipa_filter_config(struct ipa *ipa, bool modem)
 
 static bool ipa_route_id_modem(u32 route_id)
 {
-	return route_id >= IPA_ROUTE_MODEM_MIN &&
-		route_id <= IPA_ROUTE_MODEM_MIN + IPA_ROUTE_MODEM_COUNT - 1;
+	return route_id < IPA_ROUTE_MODEM_COUNT;
 }
 
 /**
-- 
2.34.1